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The Gulf of Finland ( fi, Suomenlahti; et, Soome laht; rus, Фи́нский зали́в, r=Finskiy zaliv, p=ˈfʲinskʲɪj zɐˈlʲif; sv, Finska viken) is the easternmost arm of the
Baltic Sea The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden and the North and Central European Plain. The sea stretches from 53°N to 66°N latitude and from ...
. It extends between
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
to the north and
Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, a ...
to the south, to
Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
in
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
to the east, where the river
Neva The Neva (russian: Нева́, ) is a river in northwestern Russia flowing from Lake Ladoga through the western part of Leningrad Oblast (historical region of Ingria) to the Neva Bay of the Gulf of Finland. Despite its modest length of , it ...
drains into it. Other major cities around the gulf include
Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...
and
Tallinn Tallinn () is the most populous and capital city of Estonia. Situated on a bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, Tallinn has a population of 437,811 (as of 2022) and administratively lies in the Harju ' ...
. The eastern parts of the Gulf of Finland belong to Russia, and some of Russia's most important oil harbors are located farthest in, near Saint Petersburg (including Primorsk). As the seaway to Saint Petersburg, the Gulf of Finland has been and continues to be of considerable strategic importance to Russia. Some of the environmental problems affecting the Baltic Sea are at their most pronounced in the shallow gulf. Proposals for a tunnel through the gulf have been made.


Geography

The gulf has an area of . The length (from the
Hanko Peninsula The Hanko Peninsula ( fi, Hankoniemi; ), also spelled Hango, is the southernmost point of mainland Finland. The soil is a sandy moraine, the last tip of the Salpausselkä ridge, and vegetation consists mainly of pine and low shrubs. The peninsu ...
to Saint Petersburg) is and the width varies from near the entrance to on the meridian of
Moshchny Island Moshchny (russian: Мощный; fi, Lavansaari; sv, Lövskär, et, Lavassaar) is an island in the Gulf of Finland of the Baltic Sea, located some 120 km west of Saint Petersburg. The island is a part of the Leningrad Oblast, Russia. The a ...
; in the
Neva Bay The Neva Bay (Russian: Не́вская губа́, ''Névskaya Gubá''), also known as the Gulf of Kronstadt, is the easternmost part of the Gulf of Finland between Kotlin Island and the Neva River estuary where Saint Petersburg city centre is lo ...
, it decreases to . The gulf is relatively shallow, with the depth decreasing from the entrance to the gulf to the continent. The sharpest change occurs near
Narva-Jõesuu Narva-Jõesuu (; russian: Усть-Нарва, ''Ust'-Narva'', Нарва-Йыэсуу, Усть-Нарова) is a town in Ida-Viru County, in northeastern Estonia. Geography It is located on the country's northern Baltic coast of the Gul ...
, which is why this place is called the Narva wall. The average depth is with the maximum of . The depth of the Neva Bay is less than ; therefore, in March 2019, a channel was dug at the bottom for safe navigation. Because of the large influx of fresh water from rivers, especially from the Neva River (two-thirds of the total runoff), the gulf water has very low salinity – between 0.2 and 0.3 ‰ at the surface and 0.3–0.5 ‰ near the bottom. The average water temperature is close to in winter; in summer, it is at the surface and at the bottom. Parts of the gulf can freeze from late November to late April; the freezing starts in the east and gradually proceeds to the west. Complete freezing usually occurs by late January, and it may not occur in mild winters. Frequent strong western winds cause waves, surges of water and
floods A flood is an overflow of water ( or rarely other fluids) that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrolog ...
.Darinskii, A. V
''Leningrad Oblast''
Lenizdat, 1975
The northern coast of the gulf is high and winding, with abundant small bays and
skerries A skerry is a small rocky island, usually defined to be too small for habitation. Skerry, skerries, or The Skerries may also refer to: Geography Northern Ireland * Skerries, County Armagh, a townland in County Armagh * Skerry, County Antrim, a ...
, but only a few large bays (
Vyborg Vyborg (; rus, Вы́борг, links=1, r=Výborg, p=ˈvɨbərk; fi, Viipuri ; sv, Viborg ; german: Wiborg ) is a town in, and the administrative center of, Vyborgsky District in Leningrad Oblast, Russia. It lies on the Karelian Isthmus ne ...
) and peninsulas (Hanko and
Porkkalanniemi Porkkalanniemi ( sv, Porkala udd) is a peninsula in the Gulf of Finland, located at Kirkkonummi (Kyrkslätt) in Southern Finland. The peninsula had great strategic value, as coastal artillery based there would be able to shoot more than hal ...
). The coast is mostly sloping; there are abundant sandy dunes, with occasional pine trees. The southern shores are smooth and shallow, but along the entire coast runs a limestone escarpment, the Baltic Klint, with a height up to . In the east, the gulf ends with Neva Bay; in the west it merges with the Baltic Sea. The gulf contains numerous banks, skerries and islands. The largest include
Kotlin Island Kotlin (russian: Ко́тлин) ( sv, Reitskär) is a Russian island, located near the head of the Gulf of Finland, west of Saint Petersburg in the Baltic Sea. Kotlin separates the Neva Bay from the rest of the gulf. The fortified city of Kronst ...
with the city of Kronstadt (population 42,800), Beryozovye Islands, Lisiy Island,
Maly Vysotsky Island Maly Vysotsky Island or Malyj Vysotskij Island (, ) is an island in northwest Russia, that was leased to Finland. It is located in Vyborg Bay, next to Vysotsk, 12 km (7 miles) southwest of Vyborg. Between 1918 and 1940, the island was a part ...
with the nearby city of
Vysotsk Vysotsk (russian: Высо́цк; fi, Uuras; sv, Trångsund) is a coastal town and a seaport in Vyborgsky District of Leningrad Oblast, Russia, located on the Karelian Isthmus, on the eastern shore of the Vyborg Bay, southwest of Vyborg and nor ...
(population 1706), Gogland (Suursaari), Moshtchny (Lavansaari),
Bolshoy Tyuters Bolshoi Tyuters (russian: Большой Тютерс; fi, Tytärsaari; et, Suur Tütarsaar; sv, Tyterskär) is an island in the Gulf of Finland of the Baltic Sea, located away from the coast of Finland, to the south-east from Hogland. The is ...
(Tytärsaari),
Sommers Sommers (russian: Соммерс, fi, Someri, sv, Sommarö) is an islet and a lighthouse in the eastern part of the Gulf of Finland, an arm of the Baltic Sea, just outside the Gulf of Vyborg, about 19 kilometres south of Virolahti, Finland, ...
,
Naissaar Naissaar ( sv, Nargö; german: Nargen) is an island in Estonia. It is situated in the Gulf of Finland, northwest of the capital city Tallinn, and is administratively part of the Viimsi Parish, Viimsi parish. The island covers an area of . It is ...
, Kimitoön, Kökar,
Seskar Seskar ( fi, Seiskari) ( sv, Seitskär) (russian: Сескар) is an island in the Gulf of Finland, part of the Leningrad Oblast of Russia. The island was an independent municipality of Finland populated by Finns at least since 16th century, un ...
(Seiskari),
Pakri Islands , image_name = , image_caption = , image_size = , map_image = Pakri location map.svg , map_caption = , native_name = Pakri saared , native_name_link = , sobriquet = , location = Baltic Sea , ...
and others.Atlas of the USSR. – M.: GUGK, 1984 Starting in 1700, Russia constructed nineteen artificial islands with fortresses in the gulf. They aimed to defend Russia from maritime attacks, especially in the context of the
Great Northern War The Great Northern War (1700–1721) was a conflict in which a coalition led by the Tsardom of Russia successfully contested the supremacy of the Swedish Empire in Northern, Central and Eastern Europe. The initial leaders of the anti-Swedi ...
of 1700–1721. Such fortresses include Fort Alexander,
Krasnaya Gorka Krasnaya Gorka (russian: Красная Горка; lit. ''red hill'') is the name of several rural localities in Russia. Modern localities Amur Oblast As of 2012, one rural locality in Amur Oblast bears this name: * Krasnaya Gorka, Amur Oblast ...
,
Ino Ino or INO may refer to: Arts and music *I-No, a character in the ''Guilty Gear'' series of video games *Ino (Greek mythology), a queen of Thebes in Greek mythology *INO Records, an American Christian music label *Ino Yamanaka, a character in th ...
, Totleben and . The largest rivers flowing into the gulf are the
Neva The Neva (russian: Нева́, ) is a river in northwestern Russia flowing from Lake Ladoga through the western part of Leningrad Oblast (historical region of Ingria) to the Neva Bay of the Gulf of Finland. Despite its modest length of , it ...
(from the east), the
Narva Narva, russian: Нарва is a municipality and city in Estonia. It is located in Ida-Viru County, Ida-Viru county, at the Extreme points of Estonia, eastern extreme point of Estonia, on the west bank of the Narva (river), Narva river which ...
(from the south), and the
Kymi Kymi may refer to: *Kymi, Greece, a town in Euboea, Greece *Kymi, Finland, a former municipality in Finland *Kymi (constituency), a constituency in the Finnish Parliament *Kymi (region), or ''Kymenlaakso'', the region of Finland *Kymi B.C., a basket ...
(from the north). Keila,
Pirita Pirita is one of the eight administrative districts ( et, linnaosa) of Tallinn, the capital of Estonia. Pirita occupies a relatively big area, but compared to other districts of Tallinn its population of 17,592 (as of 1 November 2014) is relati ...
, Jägala, Kunda, Luga, Sista and Kovashi flow into the gulf from the south. From the north flow the Sestra River,
Porvoo Porvoo (; sv, Borgå ; la, Borgoa) is a city and a municipality in the Uusimaa region of Finland, situated on the southern coast about east of the city border of Helsinki and about from the city centre. Porvoo was one of the six medieval to ...
,
Vantaa Vantaa (; sv, Vanda, ) is a city and Municipalities of Finland, municipality in Finland. It is part of the inner core of the Greater Helsinki, Finnish Capital Region along with Helsinki, Espoo, and Kauniainen. With a population of (), Vantaa i ...
and several other small rivers. The
Saimaa Canal The Saimaa Canal ( fi, Saimaan kanava; sv, Saima kanal; russian: Сайменский канал) is a transportation canal that connects lake Saimaa with the Gulf of Finland near Vyborg, Russia. The canal was built from 1845 to 1856 and opened ...
connects the gulf with the Saimaa lake.


Extent

The
International Hydrographic Organization The International Hydrographic Organization (IHO) is an intergovernmental organisation representing hydrography. , the IHO comprised 98 Member States. A principal aim of the IHO is to ensure that the world's seas, oceans and navigable waters a ...
defines the western limit of the Gulf of Finland as a line running from Spithami (59°13'N), in Estonia, through the Estonian island of Osmussaar from SE to NW and on to the SW extremity of
Hanko Peninsula The Hanko Peninsula ( fi, Hankoniemi; ), also spelled Hango, is the southernmost point of mainland Finland. The soil is a sandy moraine, the last tip of the Salpausselkä ridge, and vegetation consists mainly of pine and low shrubs. The peninsu ...
(22°54'E) in Finland.


Geological history

The modern depression can be traced to the
incision Incision may refer to: * Cutting, the separation of an object, into two or more portions, through the application of an acutely directed force * A type of open wound caused by a clean, sharp-edged object such as a knife, razor, or glass splinter ...
of large rivers during the
Cenozoic The Cenozoic ( ; ) is Earth's current geological era, representing the last 66million years of Earth's history. It is characterised by the dominance of mammals, birds and flowering plants, a cooling and drying climate, and the current configura ...
prior to the
Quaternary glaciation The Quaternary glaciation, also known as the Pleistocene glaciation, is an alternating series of glacial and interglacial periods during the Quaternary period that began 2.58 Ma (million years ago) and is ongoing. Although geologists describe ...
. These rivers eroded the sedimentary strata above the
Fennoscandian Shield The Baltic Shield (or Fennoscandian Shield) is a segment of the Earth's crust belonging to the East European Craton, representing a large part of Fennoscandia, northwestern Russia and the northern Baltic Sea. It is composed mostly of Archean an ...
. In particular the eroded material was made up of
Ediacaran The Ediacaran Period ( ) is a geological period that spans 96 million years from the end of the Cryogenian Period 635 million years ago (Mya), to the beginning of the Cambrian Period 538.8 Mya. It marks the end of the Proterozoic Eon, and th ...
(Vendian) and
Cambrian The Cambrian Period ( ; sometimes symbolized C with bar, Ꞓ) was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon. The Cambrian lasted 53.4 million years from the end of the preceding Ediacaran Period 538.8 million ...
-aged claystone and sandstone. As erosion progressed, the rivers encountered harder layers of Ordovician-aged
limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...
, leading to the formation of the cliffs of Baltic Klint in northern
Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, a ...
and Ingria. Subsequently, the depression was somewhat reshaped by glacier activities. Its retreat formed the Littorina Sea, whose water level was some 7–9 metres higher than the present level of the Baltic Sea. Some 4,000 years ago the sea receded and shoals in the gulf have become its islands. Later uplifting of the
Baltic Shield The Baltic Shield (or Fennoscandian Shield) is a segment of the Earth's crust belonging to the East European Craton, representing a large part of Fennoscandia, northwestern Russia and the northern Baltic Sea. It is composed mostly of Archean and ...
skewed the surface of the gulf; for this reason, its ancient northern shores are significantly higher than the southern ones.Saint Petersburg: Encyclopedia. – Moscow: Russian Political Encyclopedia. 2006


Flora and fauna

The climate in the area is
humid continental climate A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers and freezing ...
, characterized by temperate to hot summers and cold, occasionally severe winters with regular precipitation. The vegetation is dominated by a mixture of
coniferous Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All extant ...
and
deciduous In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, aft ...
forests and treeless coastal meadows and cliffs. The major forest trees are
pine A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanical Garden accep ...
,
spruce A spruce is a tree of the genus ''Picea'' (), a genus of about 35 species of coniferous evergreen trees in the family Pinaceae, found in the northern temperate and boreal (taiga) regions of the Earth. ''Picea'' is the sole genus in the subfami ...
,
birch A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae. The genus ''Betula'' contains 30 ...
,
willows Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist so ...
,
rowan The rowans ( or ) or mountain-ashes are shrubs or trees in the genus ''Sorbus ''Sorbus'' is a genus of over 100 species of trees and shrubs in the rose family, Rosaceae. Species of ''Sorbus'' (''s.l.'') are commonly known as whitebeam, r ...
,
aspen Aspen is a common name for certain tree species; some, but not all, are classified by botanists in the section ''Populus'', of the ''Populus'' genus. Species These species are called aspens: *'' Populus adenopoda'' – Chinese aspen (China ...
,
common Common may refer to: Places * Common, a townland in County Tyrone, Northern Ireland * Boston Common, a central public park in Boston, Massachusetts * Cambridge Common, common land area in Cambridge, Massachusetts * Clapham Common, originally com ...
and
gray alder ''Alnus incana'', the grey alder or speckled alder, is a species of multi-stemmed, shrubby tree in the birch family, with a wide range across the cooler parts of the Northern Hemisphere. Tolerant of wetter soils, it can slowly spread with runners ...
. In the far eastern part of the gulf vegetation of the marshy areas consists mainly of bulrush and reeds, as well as fully aquatic plants, such as
white White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White on ...
and
yellow Yellow is the color between green and orange on the spectrum of light. It is evoked by light with a dominant wavelength of roughly 575585 nm. It is a primary color in subtractive color systems, used in painting or color printing. In the R ...
waterlilies and acute sedge. Aquatic plants in the shallow waters of the gulf include ''
Ruppia ''Ruppia'', also known as the widgeonweeds, ditch grasses or widgeon grass, is the only extant genus in the family Ruppiaceae, with eight known species. These are aquatic plants widespread over much of the world. The genus name honours Heinrich ...
'' and spiny naiad.Gulf of Finland – Nature
Fingulf.ru. Retrieved on 2011-08-14.
Fish species of the gulf include
Atlantic salmon The Atlantic salmon (''Salmo salar'') is a species of ray-finned fish in the family Salmonidae. It is the third largest of the Salmonidae, behind Siberian taimen and Pacific Chinook salmon, growing up to a meter in length. Atlantic salmon are ...
,
viviparous eelpout The viviparous eelpout (''Zoarces viviparus''), also known as the, viviparous blenny and European eelpout is species of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. It is notable for being ovoviviparous and gives birth ...
, gobies, belica, loach, European chub, common minnow,
silver bream Silver bream is the common name of several species of fish: * '' Blicca bjoerkna'' (white bream), freshwater species of cyprinids from Europe and Western Asia * ''Acanthopagrus australis'' (surf bream), marine and freshwater species of sea bream fro ...
,
common dace The common dace (''Leuciscus leuciscus'') is a species of freshwater and brackish water ray-finned fish from the family Cyprinidae which is native to Europe but which has been introduced to other parts of the world. It is a quarry species for coa ...
, ruffe,
Crucian carp The crucian carp (''Carassius carassius'') is a medium-sized member of the common carp family Cyprinidae. It occurs widely in northern European regions. Its name derives from the Low German ''karusse'' or ''karutze'', possibly from Medieval Lat ...
,
stickleback The sticklebacks are a family of ray-finned fishes, the Gasterosteidae which have a Holarctic distribution in fresh, brackish and marine waters. They were thought to be related to the pipefish and seahorses but are now thought to be more closel ...
, European smelt,
common rudd The common rudd (''Scardinius erythrophthalmus'') is a bentho-pelagic freshwater fish, widely spread in Europe and middle Asia, around the basins of the North, Baltic, Black, Caspian and Aral seas. Identification Morphologically, this species ...
,
brown trout The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' morph ...
,
tench The tench or doctor fish (''Tinca tinca'') is a fresh- and brackish-water fish of the order Cypriniformes found throughout Eurasia from Western Europe including the British Isles east into Asia as far as the Ob and Yenisei Rivers. It is also ...
, pipefish,
burbot The burbot (''Lota lota'') is the only gadiform (cod-like) freshwater fish Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments di ...
,
perch Perch is a common name for fish of the genus ''Perca'', freshwater gamefish belonging to the family Percidae. The perch, of which three species occur in different geographical areas, lend their name to a large order of vertebrates: the Percif ...
,
gudgeon A gudgeon is a socket-like, cylindrical (i.e., ''female'') fitting attached to one component to enable a pivoting or hinging connection to a second component. The second component carries a pintle fitting, the male counterpart to the gudgeon, ...
,
lumpsucker The Cyclopteridae are a family of marine fishes, commonly known as lumpsuckers or lumpfish, in the order Scorpaeniformes. They are found in the cold waters of the Arctic, North Atlantic, and North Pacific oceans. The greatest number of species ar ...
,
roach Roach may refer to: Animals * Cockroach, various insect species of the order Blattodea * Common roach (''Rutilus rutilus''), a fresh and brackish water fish of the family Cyprinidae ** ''Rutilus'' or roaches, a genus of fishes * California roach ...
, lamprey, vendace, garfish, common whitefish, common bream, zander, orfe,
northern pike The northern pike (''Esox lucius'') is a species of carnivorous fish of the genus '' Esox'' (the pikes). They are typical of brackish and fresh waters of the Northern Hemisphere (''i.e.'' holarctic in distribution). They are known simply as a ...
,
spined loach The spined loach (''Cobitis taenia'') is a common freshwater fish in Europe. It is sometimes known as spotted weather loach, not to be confused with the "typical" weather loaches of the genus ''Misgurnus''. This is the type species of the spiny l ...
, sprat,
Baltic herring Atlantic herring (''Clupea harengus'') is a herring in the family Clupeidae. It is one of the most abundant fish species in the world. Atlantic herrings can be found on both sides of the Atlantic Ocean, congregating in large schools. They can ...
, sabre carp, common bleak,
European eel The European eel (''Anguilla anguilla'') is a species of eel, a snake-like, catadromous fish. They are normally around and rarely reach more than , but can reach a length of up to in exceptional cases. Eels have been important sources of fo ...
and Atlantic cod.Fishing page of Saint-Petersburg
. Fishers.spb.ru. Retrieved on 2011-08-14.
Commercial fishing is carried out in spring and autumn.
Grey seal The grey seal (''Halichoerus grypus'') is found on both shores of the North Atlantic Ocean. In Latin Halichoerus grypus means "hook-nosed sea pig". It is a large seal of the family Phocidae, which are commonly referred to as "true seals" or " ...
and ringed seal are met in the gulf, but the latter is very rare.


History


Before 1700

Many ancient sites were discovered on the shores of the gulf dated to up to nine thousand years old. Humans began to inhabit these places soon after the ice age glaciers retreated and the water level of the Littorina Sea lowered to reveal the land. Remains of about 11
Neolithic The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several parts ...
settlements were found since 1905 in the mouth of the river Sestra River (Leningrad Oblast). They contain arrow tips and scrapers made of
quartz Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical form ...
, numerous food utensils and traces of fire camps – all indicative of hunting rather than agricultural or
animal husbandry Animal husbandry is the branch of agriculture concerned with animals that are raised for meat, fibre, milk, or other products. It includes day-to-day care, selective breeding, and the raising of livestock. Husbandry has a long history, starti ...
activities. The gulf coast was later populated by Finnic peoples.
Eesti Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, and to ...
(or
Chud Chud or Chude ( orv, чудь, in Finnic languages: tšuudi, čuđit) is a term historically applied in the early East Slavic annals to several Finnic peoples in the area of what is now Estonia, Karelia and Northwestern Russia. Arguably, the ...
) inhabited the region of the modern Estonia, Votes were living on the south of the gulf and Izhorians to the south of Neva River.
Korela Korela Fortress (Russian language, Russian: Корела, Finnish language, Finnish: ''Käkisalmen linna'', Swedish language, Swedish: ''Kexholms slott''), at the town of Priozersk, Leningrad Oblast, Russia. Origin The original fortification wa ...
tribes settled to the west of
Lake Ladoga Lake Ladoga (; rus, Ла́дожское о́зеро, r=Ladozhskoye ozero, p=ˈladəʂskəjə ˈozʲɪrə or rus, Ла́дога, r=Ladoga, p=ˈladəɡə, fi, Laatokka arlier in Finnish ''Nevajärvi'' ; vep, Ladog, Ladoganjärv) is a fresh ...
.
Great Russian Encyclopedia The ''Great Russian Encyclopedia'' (GRE; russian: Большая российская энциклопедия, БРЭ, transliterated as ''Bolshaya rossiyskaya entsiklopediya'' or academically as ''Bolšaja rossijskaja enciklopedija'') is a u ...
. "Russia". 2004
In the 8th and 9th centuries, the banks of Neva and of the Gulf of Finland was populated by
East Slavs The East Slavs are the most populous subgroup of the Slavs. They speak the East Slavic languages, and formed the majority of the population of the medieval state Kievan Rus', which they claim as their cultural ancestor.John Channon & Robert H ...
, in particular by
Ilmen Slavs The Novgorod Slavs, Ilmen Slavs (russian: Ильменские слове́не, ''Il'menskiye slovene''), or Slovenes (not to be confused with the Slovenian Slovenes) were the northernmost tribe of the Early Slavs, and inhabited the shores of L ...
and Krivichs. They were engaged in slash-and-burn agriculture, animal husbandry, hunting and fishing. From the 8th to the 13th century, the Gulf of Finland and Neva were parts of the waterway from
Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion#Europe, subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, ...
, through
Eastern Europe Eastern Europe is a subregion of the Europe, European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural, and socio-economic connotations. The vast majority of the region is covered by Russ ...
to the
Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
. From the 9th century, the eastern coast of the gulf belonged to
Veliky Novgorod Veliky Novgorod ( rus, links=no, Великий Новгород, t=Great Newtown, p=vʲɪˈlʲikʲɪj ˈnovɡərət), also known as just Novgorod (), is the largest city and administrative centre of Novgorod Oblast, Russia. It is one of the ol ...
and were called Vodskaya Pyatina. As a result of the 1219 crusade and the Battle of Lindanise, the Northern Estonia became part of Denmark ( Danish Estonia).Countries and Peoples: USSR. Baltic republics. Belarus. Ukraine. Moldova. – Moscow: Mysl, 1984. In the 12th century, the city Reval ( la, Revalia, russian: Колыва́нь) was established on the territory of modern Tallinn.A. F. Treshniko
Encyclopedic Dictionary of Geography: Geographical names
– Moscow: Soviet Encyclopedia, 1983.
As a result of the Estonian uprising in 1343, the Northern Estonia was taken over by the
Teutonic Order The Order of Brothers of the German House of Saint Mary in Jerusalem, commonly known as the Teutonic Order, is a Catholic religious institution founded as a military society in Acre, Kingdom of Jerusalem. It was formed to aid Christians on ...
and sold by Denmark in 1346. In 1559, during the Livonian War, the Bishop of Ösel-Wiek in Old Livonia sold his lands to King
Frederick II of Denmark Frederick II (1 July 1534 – 4 April 1588) was King of Denmark and Norway and Duke of Schleswig and Holstein from 1559 until his death. A member of the House of Oldenburg, Frederick began his personal rule of Denmark-Norway at the age of ...
for 30,000 thalers. The Danish king gave the territory to his younger brother Magnus who landed on Saaremaa with an army in 1560. The whole of Saaremaa became a Danish possession in 1573, and remained so until it was transferred to Sweden in 1645. In the 12th and 13th centuries, the Finnish tribes on the north of the gulf were conquered by the Swedes who then proceeded to the Slavs. The first encounter is attributed to 1142 when 60 Swedish ships attacked 3 Russian merchant vessels. After a Swedish attack in 1256, the Russian army of
Alexander Nevsky Alexander Yaroslavich Nevsky (russian: Александр Ярославич Невский; ; 13 May 1221 – 14 November 1263) served as Prince of Novgorod (1236–40, 1241–56 and 1258–1259), Grand Prince of Kiev (1236–52) and Grand P ...
crossed the frozen gulf and raided the Swedish territories in the modern Finland. In 1293, the Vyborg Castle and city of
Vyborg Vyborg (; rus, Вы́борг, links=1, r=Výborg, p=ˈvɨbərk; fi, Viipuri ; sv, Viborg ; german: Wiborg ) is a town in, and the administrative center of, Vyborgsky District in Leningrad Oblast, Russia. It lies on the Karelian Isthmus ne ...
was founded by the Swedish
marshal Marshal is a term used in several official titles in various branches of society. As marshals became trusted members of the courts of Medieval Europe, the title grew in reputation. During the last few centuries, it has been used for elevated o ...
Torkel Knutsson Torkel (Tyrgils or Torgils) Knutsson (d. 1306) was Lord High Constable of Sweden, member of the Privy Council of Sweden (''Riksråd''), and virtual ruler of Sweden during the early reign of King Birger Magnusson (1280–1321). Biography To ...
. The castle was fought over for decades between Sweden and the Novgorod Republic. By the Treaty of Nöteborg in 1323, Vyborg was finally recognized as a part of
Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...
. It withstood a prolonged siege by
Daniil Shchenya Prince Daniil Vasiliyevich Shchenya (; Unknown – after 1515) was a Russian military leader during the reigns of Ivan III and Vasili III. Career Shchenya was a Gediminid princeling whose great grandfather was a son of Patrikas, who settled i ...
during the Russo-Swedish War of 1496–1499. The town's trade privileges were chartered by King
Eric of Pomerania Eric of Pomerania (1381 or 1382 – 24 September 1459) was the ruler of the Kalmar Union from 1396 until 1439, succeeding his grandaunt, Queen Margaret I. He is known as Eric III as King of Norway (1389–1442), Eric VII as King of Denmark (1396 ...
in 1403. Vyborg remained in Swedish hands until its capture by
Peter the Great Peter I ( – ), most commonly known as Peter the Great,) or Pyotr Alekséyevich ( rus, Пётр Алексе́евич, p=ˈpʲɵtr ɐlʲɪˈksʲejɪvʲɪtɕ, , group=pron was a Russian monarch who ruled the Tsardom of Russia from t ...
in the
Great Northern War The Great Northern War (1700–1721) was a conflict in which a coalition led by the Tsardom of Russia successfully contested the supremacy of the Swedish Empire in Northern, Central and Eastern Europe. The initial leaders of the anti-Swedi ...
(1710).V. A. Ezho
''Leningrad Oblast: a historical sketch''
Lenizdat, 1986 (in Russian)
In 1323, the Treaty of Nöteborg set the border between Sweden and Russia along the river Sestra. In the 15th century, the
Izhorian The Izhorians (russian: Ижо́ра; ижо́рцы; fi, inkerikot; et, isurid; sg. ''ižoralain'', ''inkeroin'', ''ižora'', ''ingermans'', ''ingers'', ''ingrian'', pl. ''ižoralaizet''), along with the Votes, are a Finnic indigenous peopl ...
lands of the Novgorod Republic were attached to the
Grand Duchy of Moscow The Grand Duchy of Moscow, Muscovite Russia, Muscovite Rus' or Grand Principality of Moscow (russian: Великое княжество Московское, Velikoye knyazhestvo Moskovskoye; also known in English simply as Muscovy from the Lati ...
. In 1550,
Gustav I of Sweden Gustav I, born Gustav Eriksson of the Vasa noble family and later known as Gustav Vasa (12 May 1496 – 29 September 1560), was King of Sweden from 1523 until his death in 1560, previously self-recognised Protector of the Realm ('' Riksföre ...
founded a city on the site of modern
Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...
. As a result of the Russian defeat in the Ingrian War (1610–1617) and the Treaty of Stolbovo (1617) the lands on the Gulf of Finland and Neva River became part of the
Swedish Ingria Swedish Ingria ( sv, Svenska Ingermanland, ‘land of Ingrians’) was a dominion of the Swedish Empire from 1583 to 1595 and then again from 1617 to 1721, when it was ceded to the Russian Empire in the Treaty of Nystad. History Ingria was ceded ...
. Its capital Nyen was located in the delta of Neva River.


History since 1700

Russia reclaimed the eastern part of the gulf as a result of the victory in the
Great Northern War The Great Northern War (1700–1721) was a conflict in which a coalition led by the Tsardom of Russia successfully contested the supremacy of the Swedish Empire in Northern, Central and Eastern Europe. The initial leaders of the anti-Swedi ...
(1700–1721). On 16 May 1703, Saint Petersburg was founded in the mouth of Neva River, not far from Nyen, and in 1712 it became Russia's capital. To protect the city from the Swedish fleet, the Kronshlot fortress was built on an artificial island near the Kotlin Island in May 1704. By 1705, five more such forts were built nearby composing the city Kronstadt. These fortifications, nicknamed by the contemporaries "the Russian Dardanelles", were designed to control the Gulf waterway. In 1710, the cities of Peterhof and Oranienbaum were founded on the southern shore of the Gulf of Finland. On 27 July 1714, near the
Hanko Peninsula The Hanko Peninsula ( fi, Hankoniemi; ), also spelled Hango, is the southernmost point of mainland Finland. The soil is a sandy moraine, the last tip of the Salpausselkä ridge, and vegetation consists mainly of pine and low shrubs. The peninsu ...
, the Russian Navy won the
Battle of Gangut The Battle of Gangut (russian: Гангутское сражение, fi, Riilahden taistelu, Finland Swedish: ''Slaget vid Rilax'', sv, Sjöslaget vid Hangöudd) took place on 27 July Jul./ 7 August 1714 Greg. during the Great Northern War ( ...
– a decisive victory over the Imperial Swedish Navy. The Russo-Swedish war ended in 1721 by the
Treaty of Nystad The Treaty of Nystad (russian: Ништадтский мир; fi, Uudenkaupungin rauha; sv, Freden i Nystad; et, Uusikaupunki rahu) was the last peace treaty of the Great Northern War of 1700–1721. It was concluded between the Tsardom of ...
, by which Russia received all the lands along the Neva and the Gulf of Finland, as well as Estland,
Swedish Livonia Swedish Livonia ( sv, Svenska Livland) was a dominion of the Swedish Empire from 1629 until 1721. The territory, which constituted the southern part of modern Estonia (including the island of Ösel ceded by Denmark after the Treaty of Brömse ...
and western part of the
Karelian Isthmus The Karelian Isthmus (russian: Карельский перешеек, Karelsky peresheyek; fi, Karjalankannas; sv, Karelska näset) is the approximately stretch of land, situated between the Gulf of Finland and Lake Ladoga in northwestern ...
, including Vyborg. However, Finland was returned to Sweden.Lurie, F.M. ''Russian and world history in the tables: Synchronic table.'' – SPb.: Caravelle, 1995. The war resumed in (1788–1790), and the Battle of Hogland occurred on 6 July 1788 near the island Gogland. Both the battle and the war were relatively minor and indecisive, with the outcome of Russia retaining its territories. The next
Russo-Swedish war Wars between Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and ...
was fought in (1808–1809). It ended with the Treaty of Fredrikshamn giving the Russia rights on the territory of Finland and
Åland Åland ( fi, Ahvenanmaa: ; ; ) is an Federacy, autonomous and Demilitarized zone, demilitarised region of Finland since 1920 by a decision of the League of Nations. It is the smallest region of Finland by area and population, with a size of 1 ...
. The newly established in 1809 Grand Duchy of Finland received broad autonomy within the Russian Empire and Western Karelia was returned to Finland. On 6 December 1917, the
Parliament of Finland The Parliament of Finland ( ; ) is the unicameral and supreme legislature of Finland, founded on 9 May 1906. In accordance with the Constitution of Finland, sovereignty belongs to the people, and that power is vested in the Parliament. The ...
promulgated the
Finnish Declaration of Independence The Finnish Declaration of Independence ( fi, Suomen itsenäisyysjulistus; sv, Finlands självständighetsförklaring; russian: Провозглашение независимости Финляндии) was adopted by the Parliament of Finl ...
. Western Karelia was annexed by the Soviet Union after the
Winter War The Winter War,, sv, Vinterkriget, rus, Зи́мняя война́, r=Zimnyaya voyna. The names Soviet–Finnish War 1939–1940 (russian: link=no, Сове́тско-финская война́ 1939–1940) and Soviet–Finland War 1 ...
. Estonia declared independence on 24 February 1918 and fought a
war of independence This is a list of wars of independence (also called liberation wars). These wars may or may not have been successful in achieving a goal of independence. List See also * Lists of active separatist movements * List of civil wars * List of o ...
. The republic existed until 1940 and then was annexed by the Soviet Union. Estonia regained its independence after the
dissolution of the Soviet Union The dissolution of the Soviet Union, also negatively connoted as rus, Разва́л Сове́тского Сою́за, r=Razvál Sovétskogo Soyúza, ''Ruining of the Soviet Union''. was the process of internal disintegration within the Sov ...
in 1991. In March 1921, the
Kronstadt rebellion The Kronstadt rebellion ( rus, Кронштадтское восстание, Kronshtadtskoye vosstaniye) was a 1921 insurrection of Soviet sailors and civilians against the Bolshevik government in the Russian SFSR port city of Kronstadt. Locat ...
by sailors was put down by the Red Army. The Gulf of Finland had several major naval operations during World War II. In August 1941, during the evacuation of the Baltic Fleet from Tallinn to Kronstadt, German forces sank 15 Russian military vessels, (5
destroyer In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed in ...
s, 2
submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...
s, 3
guard ship A guard ship is a warship assigned as a stationary guard in a port or harbour, as opposed to a coastal patrol boat, which serves its protective role at sea. Royal Navy In the Royal Navy of the eighteenth century, peacetime guard ships were usual ...
s, 2 minesweepers, 2 gunboats and 1 Motor Torpedo Boat) as well as 43 transport and support ships. Several ships still remain on the gulf bottom near Cape Juminda, and a monument was raised there in memory of those lost in the events. In 1978, construction was started on the
Saint Petersburg Dam The Saint Petersburg Flood Prevention Facility Complex ( rus, Ко́мплекс защи́тных сооруже́ний Санкт-Петербу́рга от наводне́ний, kómpleks zashchítnykh sooruzhéniy Sankt-Peterbúrga ot ...
aiming to protect Saint Petersburg from the frequent floods. The work was halted at 60% completion in the late 1980s, due to the financial problems related to the breakup of the Soviet Union; it was resumed in 2001 and is – as of August 2011 – complete.Dam. A Complex of protection measures of Saint Petersburg against Flood
Spb-projects.ru. Retrieved on 2011-08-14.


Economy

The southern coast of the gulf contains the Leningrad Nuclear Power Plant and a network of ports and unique natural and historical places. Navigation has long been the dominant activity in the gulf. The major port cities and their functions are, in Russia:
Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
(all kinds of goods), Kronstadt (container shipping), Lomonosov (general cargo, containers, metals),
Vyborg Vyborg (; rus, Вы́борг, links=1, r=Výborg, p=ˈvɨbərk; fi, Viipuri ; sv, Viborg ; german: Wiborg ) is a town in, and the administrative center of, Vyborgsky District in Leningrad Oblast, Russia. It lies on the Karelian Isthmus ne ...
(general cargo), Primorsk (oil and petroleum products),
Vysotsk Vysotsk (russian: Высо́цк; fi, Uuras; sv, Trångsund) is a coastal town and a seaport in Vyborgsky District of Leningrad Oblast, Russia, located on the Karelian Isthmus, on the eastern shore of the Vyborg Bay, southwest of Vyborg and nor ...
(oil and coal), Ust-Luga ( oil, coal, timber, containers); in Finland:
Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...
(containers), Kotka (containers, timber, agricultural products; it is the main transhipment cargo port for Russia),
Hanko Hanko may refer to People *August Hanko (military personnel), August Hanko, German First World War flying ace Places *Hanko, Finland, town and municipality *Hanko Peninsula, Finland *Hankø, an island in the Oslo Fjord in Norway *The asteroid ...
(containers, vehicles),
Turku Turku ( ; ; sv, Åbo, ) is a city and former capital on the southwest coast of Finland at the mouth of the Aura River, in the region of Finland Proper (''Varsinais-Suomi'') and the former Turku and Pori Province (''Turun ja Porin lääni''; ...
(containers, rail ferry), Kilpilahti/Sköldvik harbour (
oil refinery An oil refinery or petroleum refinery is an industrial process plant where petroleum (crude oil) is transformed and refined into useful products such as gasoline (petrol), diesel fuel, asphalt base, fuel oils, heating oil, kerosene, lique ...
); in Estonia:
Tallinn Tallinn () is the most populous and capital city of Estonia. Situated on a bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, Tallinn has a population of 437,811 (as of 2022) and administratively lies in the Harju ' ...
(grains, refrigerators, oil),
Paldiski Paldiski is a town and Baltic Sea port situated on the Pakri Peninsula of northwestern Estonia. Since 2017, it's the administrative centre of Lääne-Harju Parish of Harju County. Previously a village of Estonia-Swedes known by the historical ...
,
Sillamäe Sillamäe (Estonian language, Estonian for 'Bridge Hill'; also known by the Germanised names of ''Sillamäggi'' or ''Sillamägi'') is a town in Ida-Viru County in the northern part of Estonia, on the southern coast of the Gulf of Finland. It ha ...
. Gulf of Finland is also part of the
Volga–Baltic Waterway The Volga–Baltic Waterway (Volgobalt, Волгобалт), formerly known as the Mariinsk Canal System (Russian: Мариинская водная система), is a series of canals and rivers in Russia which link the Volga with the Balti ...
and White Sea–Baltic Canal. Important goods include
apatite Apatite is a group of phosphate minerals, usually hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ions, respectively, in the crystal. The formula of the admixture of the three most common e ...
from the
Kola Peninsula sjd, Куэлнэгк нёа̄ррк , image_name= Kola peninsula.png , image_caption= Kola Peninsula as a part of Murmansk Oblast , image_size= 300px , image_alt= , map_image= Murmansk in Russia.svg , map_caption = Location of Murmansk Oblas ...
,
Karelia Karelia ( Karelian and fi, Karjala, ; rus, Каре́лия, links=y, r=Karélija, p=kɐˈrʲelʲɪjə, historically ''Korjela''; sv, Karelen), the land of the Karelian people, is an area in Northern Europe of historical significance for ...
n
granite Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies undergro ...
and greenstone,
timber Lumber is wood that has been processed into dimensional lumber, including beams and planks or boards, a stage in the process of wood production. Lumber is mainly used for construction framing, as well as finishing (floors, wall panels, wi ...
from
Arkhangelsk Oblast Arkhangelsk Oblast (russian: Арха́нгельская о́бласть, ''Arkhangelskaya oblast'') is a federal subjects of Russia, federal subject of Russia (an oblast). It includes the Arctic Ocean, Arctic archipelagos of Franz Josef Land ...
and
Vologda Vologda ( rus, Вологда, p=ˈvoləɡdə) is a types of inhabited localities in Russia, city and the administrative center of Vologda Oblast, Russia, located on the river Vologda (river), Vologda within the watershed of the Northern Dvina. ...
,
ferrous metals In chemistry, the adjective Ferrous indicates a compound that contains iron(II), meaning iron in its +2 oxidation state, possibly as the divalent cation Fe2+. It is opposed to "ferric" or iron(III), meaning iron in its +3 oxidation state, such as ...
from
Cherepovets Cherepovets ( rus, Череповец, p=tɕɪrʲɪpɐˈvʲɛts) is a city in Vologda Oblast, Russia, located in the west of the oblast on the banks of the Sheksna River (a tributary of the Volga River) and on the shores of the Rybinsk Reservoir. ...
, coal from
Donbas The Donbas or Donbass (, ; uk, Донба́с ; russian: Донба́сс ) is a historical, cultural, and economic region in eastern Ukraine. Parts of the Donbas are controlled by Russian separatist groups as a result of the Russo-Ukrai ...
and the Kuznetsk Basin,
pyrite The mineral pyrite (), or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula Iron, FeSulfur, S2 (iron (II) disulfide). Pyrite is the most abundant sulfide mineral. Pyrite's metallic Luster (mineralogy), lust ...
from Ural,
potassium chloride Potassium chloride (KCl, or potassium salt) is a metal halide salt composed of potassium and chlorine. It is odorless and has a white or colorless vitreous crystal appearance. The solid dissolves readily in water, and its solutions have a salt ...
from Solikamsk, oil from
Volga The Volga (; russian: Во́лга, a=Ru-Волга.ogg, p=ˈvoɫɡə) is the List of rivers of Europe#Rivers of Europe by length, longest river in Europe. Situated in Russia, it flows through Central Russia to Southern Russia and into the Cas ...
region, and grains from many regions of Russia.Russian river fleet and tourism, INFOFLOT.RU
. Map.infoflot.ru. Retrieved on 2011-08-14.
Passenger transport on the gulf includes a number of ferry lines which connect the following ports: Helsinki and Hanko (Finland),
Mariehamn Mariehamn ( , ; fi, Maarianhamina ; la, Portus Mariae) is the capital city, capital of Åland, an autonomous territory under Finland, Finnish sovereignty. Mariehamn is the seat of the Government of Åland, Government and Parliament of Åland, ...
(
Åland Åland ( fi, Ahvenanmaa: ; ; ) is an Federacy, autonomous and Demilitarized zone, demilitarised region of Finland since 1920 by a decision of the League of Nations. It is the smallest region of Finland by area and population, with a size of 1 ...
),
Stockholm Stockholm () is the Capital city, capital and List of urban areas in Sweden by population, largest city of Sweden as well as the List of urban areas in the Nordic countries, largest urban area in Scandinavia. Approximately 980,000 people liv ...
and Kapellskär (Sweden), Tallinn and Paldiski (Estonia),
Rostock Rostock (), officially the Hanseatic and University City of Rostock (german: link=no, Hanse- und Universitätsstadt Rostock), is the largest city in the German state of Mecklenburg-Vorpommern and lies in the Mecklenburgian part of the state, c ...
(Germany), Saint Petersburg and
Kaliningrad Kaliningrad ( ; rus, Калининград, p=kəlʲɪnʲɪnˈɡrat, links=y), until 1946 known as Königsberg (; rus, Кёнигсберг, Kyonigsberg, ˈkʲɵnʲɪɡzbɛrk; rus, Короле́вец, Korolevets), is the largest city and ...
(Russia), as well as many other cities. Another major and historical activity in the gulf is fishing, especially on the northern coast near Vyborg, Primorsk and on the southern coast near Ust-Luga. Commercial fish species are
herring Herring are forage fish, mostly belonging to the family of Clupeidae. Herring often move in large schools around fishing banks and near the coast, found particularly in shallow, temperate waters of the North Pacific and North Atlantic Oceans, i ...
,
sprats ''Sprattus'' is a genus of small oily fish of the family Clupeidae. They are more usually known by their common name, sprats. There are five species in the genus. Species * ''Sprattus antipodum'' (Hector, 1872) (New Zealand blueback sprat) * ...
, European smelt, whitefishes,
carp bream The common bream, freshwater bream, bream, bronze bream, carp bream or sweaty bream (''Abramis brama''), is a European species of freshwater fish in the family Cyprinidae. It is now considered to be the only species in the genus ''Abramis''. ...
, roaches,
perch Perch is a common name for fish of the genus ''Perca'', freshwater gamefish belonging to the family Percidae. The perch, of which three species occur in different geographical areas, lend their name to a large order of vertebrates: the Percif ...
,
European eel The European eel (''Anguilla anguilla'') is a species of eel, a snake-like, catadromous fish. They are normally around and rarely reach more than , but can reach a length of up to in exceptional cases. Eels have been important sources of fo ...
, lamprey and others. In 2005, the catchment was 2000 tons by the ships of Saint Petersburg and Leningrad Oblast alone. In September 2005 the agreement was signed on the construction of the
Nord Stream 1 Nord Stream (German-English mixed expression; german: Nord and en, Stream, literally 'North Stream'; russian: Северный поток, ''Severny potok'') is a pair of offshore natural gas pipelines in Europe that run under the Baltic Sea ...
offshore gas pipeline on the Baltic Sea, from Vyborg to the German city of Greifswald. The first line was expected become operational in 2011.Nord Stream
. Nord Stream. Retrieved on 2011-08-14.
Afterwards, the first line of Nord Stream was laid by May 2011 and was inaugurated on 8 November 2011; the second line was inaugurated on 8 October 2012, and was completed in September 2021, but has not entered service yet, as its approval got halted in February 2022.


Archaeology

The bottom of the gulf is one of the world's largest ship cemeteries. Because of the low
salinity Salinity () is the saltiness or amount of salt dissolved in a body of water, called saline water (see also soil salinity). It is usually measured in g/L or g/kg (grams of salt per liter/kilogram of water; the latter is dimensionless and equal ...
and cold waters, and no
shipworm The shipworms are marine bivalve molluscs in the family Teredinidae: a group of saltwater clams with long, soft, naked bodies. They are notorious for boring into (and commonly eventually destroying) wood that is immersed in sea water, including ...
s, the ships are relatively well preserved. Since the 6th century, major waterways were running through the gulf, and from the 8th to the 10th century, about 3,000 tonnes of
silver Silver is a chemical element with the Symbol (chemistry), symbol Ag (from the Latin ', derived from the Proto-Indo-European wikt:Reconstruction:Proto-Indo-European/h₂erǵ-, ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, whi ...
was transported there. Later, the gulf was actively used by Sweden and Russia for transport of goods. Every year saw dozens of lost ships. In the fall of 1743, 17 Russian warships returning from Finland sank in just 7 hours, and in the summer of 1747, 26 merchant vessels sank within 4 hours near Narva. A record was set in 1721 when during the evacuation of Russian troops from Finland, more than 100 vessels were lost within 3 months, including 64 in a single night. By the end of 1996, about 5,000 submerged objects were identified in the Russian part of the gulf, including 2,500 ships, 1,500 airplanes, and small items such as boats,
anchor An anchor is a device, normally made of metal , used to secure a vessel to the bed of a body of water to prevent the craft from drifting due to wind or current. The word derives from Latin ''ancora'', which itself comes from the Greek ἄγ ...
s, tanks, tractors, cars, cannons, and even
naval mine A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, any ...
s,
aerial bomb An aerial bomb is a type of explosive or incendiary weapon intended to travel through the air on a predictable trajectory. Engineers usually develop such bombs to be dropped from an aircraft. The use of aerial bombs is termed aerial bombing. ...
s, torpedoes, and other ammunition. The ships belonged to Russia (25%), Germany (19%), United Kingdom (17%), Sweden (15%), Netherlands (8%), and Finland (7%). The remaining 9% are from Norway, Denmark, France, United States, Italy, Estonia, and Latvia. These objects present potential hazards to navigation, fishery, coastal construction, laying of submarine pipelines and cables, and the environment. Mines were laid in the gulf during
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
(38,932 units), the
Russian Civil War , date = October Revolution, 7 November 1917 – Yakut revolt, 16 June 1923{{Efn, The main phase ended on 25 October 1922. Revolt against the Bolsheviks continued Basmachi movement, in Central Asia and Tungus Republic, the Far East th ...
, and the
Winter War The Winter War,, sv, Vinterkriget, rus, Зи́мняя война́, r=Zimnyaya voyna. The names Soviet–Finnish War 1939–1940 (russian: link=no, Сове́тско-финская война́ 1939–1940) and Soviet–Finland War 1 ...
(1939–1940), with an estimated total number of 60,000; 85,000 more mines were set during World War II, and only a fraction of all those were eliminated after the wars.


Pollution

The ecological condition of the Gulf of Finland, Neva Bay and Neva River is unsatisfactory. There is significant contamination by ions of
mercury Mercury commonly refers to: * Mercury (planet), the nearest planet to the Sun * Mercury (element), a metallic chemical element with the symbol Hg * Mercury (mythology), a Roman god Mercury or The Mercury may also refer to: Companies * Merc ...
and
copper Copper is a chemical element with the symbol Cu (from la, cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkis ...
, organochlorine
pesticide Pesticides are substances that are meant to control pests. This includes herbicide, insecticide, nematicide, molluscicide, piscicide, avicide, rodenticide, bactericide, insect repellent, animal repellent, microbicide, fungicide, and lampri ...
s, phenols,
petroleum product Petroleum products are materials derived from crude oil (petroleum) as it is processed in oil refineries. Unlike petrochemicals, which are a collection of well-defined usually pure organic compounds, petroleum products are complex mixtures. The m ...
s and polycyclic aromatic hydrocarbons. Cleaning of waste water in Saint Petersburg was started in 1979 and by 1997 about 74% of wastewater was purified. This number rose to 85% in 2005, to 91.7% by 2008, and as of 2009 was expected to reach 100% by 2011 with the completion of the expansion of the main sewerage plant. Nevertheless, in 2008, the Federal Service of Saint Petersburg announced that no beach of Saint Petersburg is fit for swimming. Fish catchment decreased 10 times between 1989 and 2005. Apart from pollution, another reason for that is hydraulic and engineering works. For example, construction of new ports in Ust-Luga and Vysotsk and on Vasilyevsky Island adversely affected the spawning of fish. Extraction of sand and gravel in the Neva Bay for the land reclamation destroy spawning sites of European smelt.Construction of ports in the Gulf of destroying fish
. News.spbland.ru. Retrieved on 2011-08-14.
Construction of the
Saint Petersburg Dam The Saint Petersburg Flood Prevention Facility Complex ( rus, Ко́мплекс защи́тных сооруже́ний Санкт-Петербу́рга от наводне́ний, kómpleks zashchítnykh sooruzhéniy Sankt-Peterbúrga ot ...
reduced water exchange of the Neva Bay with the eastern part of the gulf by 10–20% that increased the contamination level of Neva Bay. The largest changes occur within from the dam. Some shallow areas between Saint Petersburg and the dam are turning into swamps. Waterlogging and the associated rotting of plants may eventually lead to
eutrophication Eutrophication is the process by which an entire body of water, or parts of it, becomes progressively enriched with minerals and nutrients, particularly nitrogen and phosphorus. It has also been defined as "nutrient-induced increase in phytopla ...
of the area.Databases of the gulf ecology and their structure
. None. Retrieved on 2011-08-14.
Also worrying is expansion of oil ports in the gulf and the construction of a treatment center for spent fuel from the Leningrad Nuclear Power Plant. The port of Kronstadt is currently serving as a transit point for the import in Russia of
radioactive waste Radioactive waste is a type of hazardous waste that contains radioactive material. Radioactive waste is a result of many activities, including nuclear medicine, nuclear research, nuclear power generation, rare-earth mining, and nuclear weapons r ...
through the Baltic Sea. The waste, mostly
depleted uranium hexafluoride Depleted uranium hexafluoride (DUHF; also referred to as depleted uranium tails, depleted uranium tailings or DUF6) is a byproduct of the processing of uranium hexafluoride into enriched uranium. It is one of the chemical forms of depleted uranium ...
, is further transported through Saint Petersburg to Novouralsk,
Angarsk Angarsk ( rus, Ангарск, p=ɐnˈgarsk) is a city and the administrative center of Angarsky District of Irkutsk Oblast, Russia, located on the Kitoy River, from Irkutsk, the administrative center of the oblast. Population: History It was ...
and other cities of eastern Russia. This transit point will be moved from Saint Petersburg to the port Ust-Luga, which is about west of Saint Petersburg, and within the Border Security Zone of Russia, as decided by the Russian government in 2003 (Order No. 1491-r of 14 October 2003). It is expected that after this completes it should reduce the ecological risks for Saint Petersburg. Ust-Luga is envisioned to be the largest transportation and logistics hub in northwestern Russia. However, in 2015 it was reported that some construction plans in Ust-Luga were frozen, and the construction of Ust-Luga Multimodal Complex, supposed to be the transit point for radioactive waste, never started.


Major cities

*
Espoo Espoo (, ; sv, Esbo) is a city and municipality in the region of Uusimaa in the Republic of Finland. It is located on the northern shore of the Gulf of Finland, bordering the cities of Helsinki, Vantaa, Kirkkonummi, Vihti and Nurmijärvi ...
*
Hamina Hamina (; sv, Fredrikshamn, , Sweden ) is a List of cities in Finland, town and a Municipalities of Finland, municipality of Finland. It is located approximately east of the country's capital Helsinki, in the Kymenlaakso Regions of Finland, reg ...
*
Hanko Hanko may refer to People *August Hanko (military personnel), August Hanko, German First World War flying ace Places *Hanko, Finland, town and municipality *Hanko Peninsula, Finland *Hankø, an island in the Oslo Fjord in Norway *The asteroid ...
*
Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...
*
Kirkkonummi Kirkkonummi (; sv, Kyrkslätt, , Sweden ) is a Municipalities of Finland, municipality of inhabitants () in southern Finland. The literal meaning of the words "''Kirkkonummi''" and "''Kyrkslätt''" in English language, English is "church heath". ...
* Kotka * Kronstadt * Kunda * Loksa *
Lomonosov Mikhail Vasilyevich Lomonosov (; russian: Михаил (Михайло) Васильевич Ломоносов, p=mʲɪxɐˈil vɐˈsʲilʲjɪvʲɪtɕ , a=Ru-Mikhail Vasilyevich Lomonosov.ogg; – ) was a Russian Empire, Russian polymath, s ...
*
Loviisa Loviisa (; sv, Lovisa ; formerly Degerby) is a municipality and town of inhabitants () on the southern coast of Finland. It is located from Helsinki and from Porvoo. About 43 per cent of the population is Swedish-speaking. The municipality co ...
* Maardu *
Narva-Jõesuu Narva-Jõesuu (; russian: Усть-Нарва, ''Ust'-Narva'', Нарва-Йыэсуу, Усть-Нарова) is a town in Ida-Viru County, in northeastern Estonia. Geography It is located on the country's northern Baltic coast of the Gul ...
*
Paldiski Paldiski is a town and Baltic Sea port situated on the Pakri Peninsula of northwestern Estonia. Since 2017, it's the administrative centre of Lääne-Harju Parish of Harju County. Previously a village of Estonia-Swedes known by the historical ...
* Peterhof *
Porvoo Porvoo (; sv, Borgå ; la, Borgoa) is a city and a municipality in the Uusimaa region of Finland, situated on the southern coast about east of the city border of Helsinki and about from the city centre. Porvoo was one of the six medieval to ...
* Primorsk *
Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
* Sestroretsk *
Sillamäe Sillamäe (Estonian language, Estonian for 'Bridge Hill'; also known by the Germanised names of ''Sillamäggi'' or ''Sillamägi'') is a town in Ida-Viru County in the northern part of Estonia, on the southern coast of the Gulf of Finland. It ha ...
*
Sosnovy Bor Sosnovy Bor (russian: Сосно́вый Бор; lit. ''pine forest (copse)'') is the name of several inhabited localities in Russia. Amur Oblast As of 2010, one rural locality in Amur Oblast bears this name: * Sosnovy Bor, Amur Oblast, a '' sel ...
*
Tallinn Tallinn () is the most populous and capital city of Estonia. Situated on a bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, Tallinn has a population of 437,811 (as of 2022) and administratively lies in the Harju ' ...
*
Vyborg Vyborg (; rus, Вы́борг, links=1, r=Výborg, p=ˈvɨbərk; fi, Viipuri ; sv, Viborg ; german: Wiborg ) is a town in, and the administrative center of, Vyborgsky District in Leningrad Oblast, Russia. It lies on the Karelian Isthmus ne ...
*
Zelenogorsk Zelenogorsk (russian: Зеленогорск) is the name of several inhabited localities in Russia. ;Urban localities *Zelenogorsk, Krasnoyarsk Krai, a closed town in Krasnoyarsk Krai *Zelenogorsk, Saint Petersburg, a municipal town in Kurortny ...


See also

*
Kven Sea KVEN (1520 AM, "La Voz 1520 AM & 96.3 FM") is a commercial radio station that is licensed to Port Hueneme, California and serves the Ventura County area. The station is owned by Gold Coast Broadcasting and broadcasts a Spanish-language news/tal ...
*
Peter the Great's Naval Fortress Peter the Great's Naval Fortress or the Tallinn-Porkkala defence station was a Russian fortification line, which aimed to block access to the Russian capital Saint Petersburg via the sea. The plans for the fortress included heavy coastal artiller ...


References


External links


ESA satellite photograph of the Gulf of Finland
* * {{DEFAULTSORT:Gulf of Finland Finland, Gulf of Gulfs of the Atlantic Ocean Gulfs of Russia Gulfs of Finland Bodies of water of Estonia Estonia–Russia border Finland–Russia border Karelian Isthmus Geography of Northern Europe Geography of Eastern Europe Bodies of water of Saint Petersburg Bodies of water of Leningrad Oblast Ramsar sites in Russia