A city-state is an independent
sovereign city which serves as the center of political, economic, and cultural life over its contiguous territory.
They have existed in many parts of the world since the dawn of history, including cities such as
Rome
, established_title = Founded
, established_date = 753 BC
, founder = King Romulus ( legendary)
, image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg
, map_caption ...
,
Athens
Athens ( ; el, Αθήνα, Athína ; grc, Ἀθῆναι, Athênai (pl.) ) is both the capital city, capital and List of cities and towns in Greece, largest city of Greece. With a population close to four million, it is also the seventh List ...
,
Sparta
Sparta (Doric Greek: Σπάρτα, ''Spártā''; Attic Greek: Σπάρτη, ''Spártē'') was a prominent city-state in Laconia, in ancient Greece. In antiquity, the city-state was known as Lacedaemon (, ), while the name Sparta referred ...
,
Carthage
Carthage was the capital city of Ancient Carthage, on the eastern side of the Lake of Tunis in what is now Tunisia. Carthage was one of the most important trading hubs of the Ancient Mediterranean and one of the most affluent cities of the clas ...
, and the
Italian city-states during the
Middle Ages
In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...
and
Renaissance
The Renaissance ( , ) , from , with the same meanings. is a period in European history marking the transition from the Middle Ages to modernity and covering the 15th and 16th centuries, characterized by an effort to revive and surpass id ...
, such as
Florence
Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico ...
,
Venice
Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 bridges. The isla ...
,
Genoa
Genoa ( ; it, Genova ; lij, Zêna ). is the capital of the Regions of Italy, Italian region of Liguria and the List of cities in Italy, sixth-largest city in Italy. In 2015, 594,733 people lived within the city's administrative limits. As of t ...
and
Milan
Milan ( , , Lombard language, Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the List of cities in Italy, second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4  ...
.
With the rise of
nation states
A nation state is a political unit where the state and nation are congruent. It is a more precise concept than "country", since a country does not need to have a predominant ethnic group.
A nation, in the sense of a common ethnicity, may inc ...
worldwide, only a few modern sovereign city-states exist, with some disagreement as to which qualify;
Monaco
Monaco (; ), officially the Principality of Monaco (french: Principauté de Monaco; Ligurian: ; oc, Principat de Mónegue), is a sovereign
''Sovereign'' is a title which can be applied to the highest leader in various categories. The word ...
,
Singapore
Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...
and
Vatican City
Vatican City (), officially the Vatican City State ( it, Stato della Città del Vaticano; la, Status Civitatis Vaticanae),—'
* german: Vatikanstadt, cf. '—' (in Austria: ')
* pl, Miasto Watykańskie, cf. '—'
* pt, Cidade do Vati ...
are most commonly accepted as such. Singapore is the clearest example, with full self-governance, its own currency, a robust military and a population of 5.5 million.
Several non-sovereign cities enjoy a high degree of autonomy and are sometimes considered city-states.
Hong Kong
Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China (abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delta i ...
,
Macau
Macau or Macao (; ; ; ), officially the Macao Special Administrative Region of the People's Republic of China (MSAR), is a city and special administrative region of China in the western Pearl River Delta by the South China Sea. With a pop ...
, and members of the
United Arab Emirates
The United Arab Emirates (UAE; ar, اَلْإِمَارَات الْعَرَبِيَة الْمُتَحِدَة ), or simply the Emirates ( ar, الِْإمَارَات ), is a country in Western Asia ( The Middle East). It is located at ...
—most notably
Dubai
Dubai (, ; ar, دبي, translit=Dubayy, , ) is the most populous city in the United Arab Emirates (UAE) and the capital of the Emirate of Dubai, the most populated of the 7 emirates of the United Arab Emirates.The Government and Politics ...
and
Abu Dhabi—are often cited as such.
Historical background
Ancient and medieval world
Historical city-states included
Sumerian cities such as
Uruk
Uruk, also known as Warka or Warkah, was an ancient city of Sumer (and later of Babylonia) situated east of the present bed of the Euphrates River on the dried-up ancient channel of the Euphrates east of modern Samawah, Al-Muthannā, Iraq.H ...
and
Ur;
Ancient Egyptian city-states, such as
Thebes and
Memphis; the
Phoenicia
Phoenicia () was an ancient thalassocratic civilization originating in the Levant region of the eastern Mediterranean, primarily located in modern Lebanon. The territory of the Phoenician city-states extended and shrank throughout their his ...
n cities (such as
Tyre and
Sidon
Sidon ( ; he, צִידוֹן, ''Ṣīḏōn'') known locally as Sayda or Saida ( ar, صيدا ''Ṣaydā''), is the third-largest city in Lebanon. It is located in the South Governorate, of which it is the capital, on the Mediterranean coast ...
); the five
Philistine
The Philistines ( he, פְּלִשְׁתִּים, Pəlīštīm; Koine Greek ( LXX): Φυλιστιείμ, romanized: ''Phulistieím'') were an ancient people who lived on the south coast of Canaan from the 12th century BC until 604 BC, when ...
city-states; the
Berber city-states of the
Garamantes; the city-states of
ancient Greece
Ancient Greece ( el, Ἑλλάς, Hellás) was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity ( AD 600), that comprised a loose collection of cult ...
(the
poleis such as
Athens
Athens ( ; el, Αθήνα, Athína ; grc, Ἀθῆναι, Athênai (pl.) ) is both the capital city, capital and List of cities and towns in Greece, largest city of Greece. With a population close to four million, it is also the seventh List ...
,
Sparta
Sparta (Doric Greek: Σπάρτα, ''Spártā''; Attic Greek: Σπάρτη, ''Spártē'') was a prominent city-state in Laconia, in ancient Greece. In antiquity, the city-state was known as Lacedaemon (, ), while the name Sparta referred ...
,
Thebes, and
Corinth
Corinth ( ; el, Κόρινθος, Kórinthos, ) is the successor to an ancient city, and is a former municipality in Corinthia, Peloponnese, which is located in south-central Greece. Since the 2011 local government reform, it has been part ...
); the
Roman Republic
The Roman Republic ( la, Res publica Romana ) was a form of government of Rome and the era of the classical Roman civilization when it was run through public representation of the Roman people. Beginning with the overthrow of the Roman Kingd ...
(which grew from a city-state into a vast empire); the
Italian city-states from the Middle Ages to the early modern period, such as
Florence
Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico ...
,
Siena
Siena ( , ; lat, Sena Iulia) is a city in Tuscany, Italy. It is the capital of the province of Siena.
The city is historically linked to commercial and banking activities, having been a major banking center until the 13th and 14th centur ...
,
Ferrara,
Milan
Milan ( , , Lombard language, Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the List of cities in Italy, second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4  ...
(which as they grew in power began to dominate neighboring cities) and
Genoa
Genoa ( ; it, Genova ; lij, Zêna ). is the capital of the Regions of Italy, Italian region of Liguria and the List of cities in Italy, sixth-largest city in Italy. In 2015, 594,733 people lived within the city's administrative limits. As of t ...
and
Venice
Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 bridges. The isla ...
, which became powerful
thalassocracies; the
Mayan and other cultures of pre-Columbian
Mesoamerica
Mesoamerica is a historical region and cultural area in southern North America and most of Central America. It extends from approximately central Mexico through Belize, Guatemala, El Salvador, Honduras, Nicaragua, and northern Costa Rica. W ...
(including cities such as
Chichen Itza
Chichen Itza , es, Chichén Itzá , often with the emphasis reversed in English to ; from yua, Chiʼchʼèen Ìitshaʼ () "at the mouth of the well of the Itza people" was a large pre-Columbian city built by the Maya people of the Termi ...
,
Tikal
Tikal () (''Tik’al'' in modern Mayan orthography) is the ruin of an ancient city, which was likely to have been called Yax Mutal, found in a rainforest in Guatemala. It is one of the largest archeological sites and urban centers of the pre-Co ...
,
Copán and
Monte Albán); the
central Asia
Central Asia, also known as Middle Asia, is a region of Asia that stretches from the Caspian Sea in the west to western China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north. It includes the former ...
n cities along the
Silk Road; the city-states of the
Swahili coast;
Ragusa Ragusa is the historical name of Dubrovnik. It may also refer to:
Places Croatia
* the Republic of Ragusa (or Republic of Dubrovnik), the maritime city-state of Ragusa
* Cavtat (historically ' in Italian), a town in Dubrovnik-Neretva County, Cro ...
; states of the medieval Russian lands such as
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 o ...
and
Pskov; and many others. Danish historian Poul Holm has classed the
Viking
Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden),
who from the late 8th to the late 11th centuries raided, pirated, traded and s ...
colonial cities in medieval
Ireland
Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...
, most importantly the
Kingdom of Dublin, as city-states.

In
Cyprus
Cyprus ; tr, Kıbrıs (), officially the Republic of Cyprus,, , lit: Republic of Cyprus is an island country located south of the Anatolian Peninsula in the eastern Mediterranean Sea. Its continental position is disputed; while it is ...
, the
Phoenicia
Phoenicia () was an ancient thalassocratic civilization originating in the Levant region of the eastern Mediterranean, primarily located in modern Lebanon. The territory of the Phoenician city-states extended and shrank throughout their his ...
n settlement of
Kition (in present-day Larnaca) was a city-state that existed from around 800 BC until the end of the 4th century BC.
Some of the most well-known examples of city-state culture in human history are the ancient
Greek city-states and the merchant city-states of
Renaissance Italy, which organised themselves as independent centers. The success of regional units coexisting as
autonomous
In developmental psychology and moral, political, and bioethical philosophy, autonomy, from , ''autonomos'', from αὐτο- ''auto-'' "self" and νόμος ''nomos'', "law", hence when combined understood to mean "one who gives oneself one's ...
actors in loose geographical and cultural unity, as in
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
and
Greece
Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders wit ...
, often prevented their
amalgamation
Amalgamation is the process of combining or uniting multiple entities into one form.
Amalgamation, amalgam, and other derivatives may refer to:
Mathematics and science
* Amalgam (chemistry), the combination of mercury with another metal
** Pan am ...
into larger national units. However, such small political entities often survived only for short periods because they lacked the resources to defend themselves against incursions by larger states (such as Roman conquest of Greece). Thus they inevitably gave way to larger organisations of society, including the
empire
An empire is a "political unit" made up of several territories and peoples, "usually created by conquest, and divided between a dominant center and subordinate peripheries". The center of the empire (sometimes referred to as the metropole) ex ...
and the
nation-state
A nation state is a political unit where the state and nation are congruent. It is a more precise concept than "country", since a country does not need to have a predominant ethnic group.
A nation, in the sense of a common ethnicity, may in ...
.
Central Europe

In the
Holy Roman Empire
The Holy Roman Empire was a political entity in Western, Central, and Southern Europe that developed during the Early Middle Ages and continued until its dissolution in 1806 during the Napoleonic Wars.
From the accession of Otto I in 962 ...
(962–1806) over 80
Free Imperial Cities
In the Holy Roman Empire, the collective term free and imperial cities (german: Freie und Reichsstädte), briefly worded free imperial city (', la, urbs imperialis libera), was used from the fifteenth century to denote a self-ruling city that ...
came to enjoy considerable autonomy in the Middle Ages and in early modern times, buttressed legally by
international law
International law (also known as public international law and the law of nations) is the set of rules, norms, and standards generally recognized as binding between states. It establishes normative guidelines and a common conceptual framework for ...
following the
Peace of Westphalia
The Peace of Westphalia (german: Westfälischer Friede, ) is the collective name for two peace treaties signed in October 1648 in the Westphalian cities of Osnabrück and Münster. They ended the Thirty Years' War (1618–1648) and brought pe ...
of 1648. Some, like three of the earlier
Hanseatic cities –
Bremen
Bremen (Low German also: ''Breem'' or ''Bräm''), officially the City Municipality of Bremen (german: Stadtgemeinde Bremen, ), is the capital of the Germany, German States of Germany, state Bremen (state), Free Hanseatic City of Bremen (''Freie H ...
,
Hamburg
Hamburg (, ; nds, label=Hamburg German, Low Saxon, Hamborg ), officially the Free and Hanseatic City of Hamburg (german: Freie und Hansestadt Hamburg; nds, label=Low Saxon, Friee un Hansestadt Hamborg),. is the List of cities in Germany by popul ...
and
Lübeck
Lübeck (; Low German also ), officially the Hanseatic City of Lübeck (german: Hansestadt Lübeck), is a city in Northern Germany. With around 217,000 inhabitants, Lübeck is the second-largest city on the German Baltic coast and in the stat ...
– pooled their economic relations with foreign powers and were able to wield considerable diplomatic clout. Individual cities often made protective alliances with other cities or with neighbouring regions, including the
Hanseatic League (1358 – 17th century), the
Swabian League of Cities (1331–1389), the
Décapole (1354–1679) in the Alsace, or the
Old Swiss Confederacy
The Old Swiss Confederacy or Swiss Confederacy ( Modern German: ; historically , after the Reformation also , "Confederation of the Swiss") was a loose confederation of independent small states (, German or In the charters of the 14th century ...
( 1300 – 1798). The
Swiss cantons
The 26 cantons of Switzerland (german: Kanton; french: canton ; it, cantone; Sursilvan and Surmiran: ; Vallader and Puter: ; Sutsilvan: ; Rumantsch Grischun: ) are the member states of the Swiss Confederation. The nucleus of the Swiss Confe ...
of
Zürich
, neighboring_municipalities = Adliswil, Dübendorf, Fällanden, Kilchberg, Maur, Oberengstringen, Opfikon, Regensdorf, Rümlang, Schlieren, Stallikon, Uitikon, Urdorf, Wallisellen, Zollikon
, twintowns = Kunming, San Francisco
Zürich () i ...
,
Bern,
Lucerne,
Fribourg
, Location of , Location of ()
() or , ; or , ; gsw, label=Swiss German, Frybùrg ; it, Friburgo or ; rm, Friburg. is the capital of the Cantons of Switzerland, Swiss canton of Canton of Fribourg, Fribourg and district of Sarine (district), ...
,
Solothurn,
Basel
, french: link=no, Bâlois(e), it, Basilese
, neighboring_municipalities= Allschwil (BL), Hégenheim (FR-68), Binningen (BL), Birsfelden (BL), Bottmingen (BL), Huningue (FR-68), Münchenstein (BL), Muttenz (BL), Reinach (BL), Riehen (BS) ...
,
Schaffhausen
Schaffhausen (; gsw, Schafuuse; french: Schaffhouse; it, Sciaffusa; rm, Schaffusa; en, Shaffhouse) is a town with historic roots, a municipality in northern Switzerland, and the capital of the canton of the same name; it has an estimat ...
, and
Geneva
Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevra ; rm, Genevra is the second-most populous city in Switzerland (after Zürich) and the most populous city of Romandy, the French-speaking part of Switzerland. Situ ...
originated as city-states.
After the dissolution of the Holy Roman Empire in 1806, some cities – then members of different
confederacies – officially became sovereign city-states, such as the
Free Hanseatic City of Bremen (1806–11 and again 1813–71), the
Free City of Frankfurt upon Main (1815–66), the
Free and Hanseatic City of Hamburg (1806–11 and again 1814–71), the
Free and Hanseatic City of Lübeck
Free may refer to:
Concept
* Freedom, having the ability to do something, without having to obey anyone/anything
* Freethought, a position that beliefs should be formed only on the basis of logic, reason, and empiricism
* Emancipate, to procure ...
(1806–11 and again 1813–71), and the
Free City of Kraków (1815–1846). Under
Habsburg rule the city of
Fiume had the status of a
''corpus separatum'' (1779–1919), which – while falling short of an independent sovereignty – had many attributes of a city-state.
Italy

In
Northern and
Central Italy during the medieval and Renaissance periods, city-states - with various amounts of associated land - became the standard form of polity. Some of them, despite being
de facto
''De facto'' ( ; , "in fact") describes practices that exist in reality, whether or not they are officially recognized by laws or other formal norms. It is commonly used to refer to what happens in practice, in contrast with '' de jure'' ("by l ...
independent states, were formally part of the
Holy Roman Empire
The Holy Roman Empire was a political entity in Western, Central, and Southern Europe that developed during the Early Middle Ages and continued until its dissolution in 1806 during the Napoleonic Wars.
From the accession of Otto I in 962 ...
. The era of the Italian states, in particular from the 11th century to the 15th century, was characterized by the remarkable economic development, trade, manufacture, and mercantile capitalism, together with increasing urbanization,with remarkable influence throughout much of the Mediterranean world and Europe as a whole. During this time, most of the Italian city-states were ruled by one person, such as the
Signoria or by a dynasty, such as the
House of Gonzaga
)
, type = Noble house
, country =
, estates = Ducal Palace (Mantua)Ducal Palace ( Nevers)
, titles =
* Prince of Arches
* Duke of Montferrat
* Duke of Mantua
* Duke of Guastalla
* Duke of Nevers
* ...
and the
House of Sforza.
Examples of Italian city-states during the Middle Ages and the Renaissance:
Republic of Florence,
Duchy of Milan
The Duchy of Milan ( it, Ducato di Milano; lmo, Ducaa de Milan) was a state in northern Italy, created in 1395 by Gian Galeazzo Visconti, then the lord of Milan, and a member of the important Visconti family, which had been ruling the city sinc ...
,
Duchy of Ferrara,
San Marino,
Duchy of Modena and Reggio
The Duchy of Modena and Reggio ( Emilian: ''Duchêt ed Mòdna e Rèz'', it, Ducato di Modena e Reggio, la, Ducatus Mutinae et Regii) was an Italian state created in 1452 located in Northwestern Italy, in the present day region of Emilia-Romagn ...
,
Duchy of Urbino,
Duchy of Mantua
The Duchy of Mantua was a duchy in Lombardy, northern Italy. Its first duke was Federico II Gonzaga, member of the House of Gonzaga that ruled Mantua since 1328. The following year, the Duchy also acquired the March of Montferrat, thanks to ...
and the
Republic of Lucca.
Another example of Italian city-states, were the powerful
maritime republics
The maritime republics ( it, repubbliche marinare), also called merchant republics ( it, repubbliche mercantili), were thalassocratic city-states of the Mediterranean Basin during the Middle Ages. Being a significant presence in Italy in the ...
:
Republic of Venice
The Republic of Venice ( vec, Repùblega de Venèsia) or Venetian Republic ( vec, Repùblega Vèneta, links=no), traditionally known as La Serenissima ( en, Most Serene Republic of Venice, italics=yes; vec, Serenìsima Repùblega de Venèsia ...
,
Republic of Genoa
The Republic of Genoa ( lij, Repúbrica de Zêna ; it, Repubblica di Genova; la, Res Publica Ianuensis) was a medieval and early modern maritime republic from the 11th century to 1797 in Liguria on the northwestern Italian coast. During the L ...
,
Republic of Amalfi,
Republic of Pisa
The Republic of Pisa ( it, Repubblica di Pisa) was an independent state centered on the Tuscan city of Pisa, which existed from the 11th to the 15th century. It rose to become an economic powerhouse, a commercial center whose merchants dominated ...
,
Republic of Ancona and
Duchy of Gaeta.
Southeast Asia
In the history of
Mainland Southeast Asia, aristocratic groups, Buddhist leaders, and others organized settlements into autonomous or semi-autonomous city-states. These were referred to as ''
mueang'', and were usually related in a tributary relationship now described as
mandala or as ''over-lapping sovereignty'', in which smaller city-states paid tribute to larger ones that paid tribute to still larger ones—until reaching the apex in cities like
Ayutthaya,
Bagan,
Bangkok
Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estimated populatio ...
and others that served as centers of Southeast Asian royalty. The system existed until the 19th century, when
colonization by European powers occurred.
Siam, a regional power at the time, needed to define their territories for negotiation with the European powers so the Siamese government established a
nation-state
A nation state is a political unit where the state and nation are congruent. It is a more precise concept than "country", since a country does not need to have a predominant ethnic group.
A nation, in the sense of a common ethnicity, may in ...
system, incorporated their tributary cities (
Lan Xang,
Cambodia
Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailan ...
and some Malay cities) into their territory and abolished the mueang and the tributary system.
In early Philippine history, the
barangay
A barangay (; abbreviated as Brgy. or Bgy.), historically referred to as barrio (abbreviated as Bo.), is the smallest administrative division in the Philippines and is the native Filipino term for a village, district, or ward. In metropolit ...
was a complex sociopolitical unit which scholars have historically
considered the dominant organizational pattern among the various
peoples of the
Philippine archipelago.
[ , .] These sociopolitical units were sometimes also referred to as barangay states, but are more properly referred to using the technical term ''
polity
A polity is an identifiable political entity – a group of people with a collective identity, who are organized by some form of institutionalized social relations, and have a capacity to mobilize resources. A polity can be any other group of p ...
''.
Evidence suggests a considerable degree of independence as city states ruled by
Datu
''Datu'' is a title which denotes the rulers (variously described in historical accounts as chiefs, sovereign princes, and monarchs) of numerous indigenous peoples throughout the Philippine archipelago. The title is still used today, especia ...
s,
Raja
''Raja'' (; from , IAST ') is a royal title used for South Asian monarchs. The title is equivalent to king or princely ruler in South Asia and Southeast Asia.
The title has a long history in history of South Asia, South Asia and History of ...
hs and
Sultans. Early chroniclers
record that the name evolved from the term ''
balangay
A Balangay, or barangay is a type of lashed-lug boat built by joining planks edge-to-edge using pins, dowels, and fiber lashings. They are found throughout the Philippines and were used largely as trading ships up until the colonial era. The ...
'', which refers to a plank boat widely used by various cultures of the Philippine archipelago prior to the arrival of European colonizers.
20th-century cities under international supervision
Danzig
The Free City of Danzig was a semi-
autonomous
In developmental psychology and moral, political, and bioethical philosophy, autonomy, from , ''autonomos'', from αὐτο- ''auto-'' "self" and νόμος ''nomos'', "law", hence when combined understood to mean "one who gives oneself one's ...
city-state that existed between 1920 and 1939, consisting 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 fr ...
port of Danzig (now
Gdańsk
Gdańsk ( , also ; ; csb, Gduńsk;Stefan Ramułt, ''Słownik języka pomorskiego, czyli kaszubskiego'', Kraków 1893, Gdańsk 2003, ISBN 83-87408-64-6. , Johann Georg Theodor Grässe, ''Orbis latinus oder Verzeichniss der lateinischen Benen ...
,
Poland
Poland, officially the Republic of Poland, , is a country in Central Europe. Poland is divided into Voivodeships of Poland, sixteen voivodeships and is the fifth most populous member state of the European Union (EU), with over 38 mill ...
) and nearly 200 towns in the surrounding areas. It was created on 15 November 1920 under the terms of Article 100 (Section XI of Part III) of the 1919
Treaty of Versailles
The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1 ...
after the end of
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, ...
.
Fiume
After a prolonged period where the city of
Fiume enjoyed considerable autonomy under
Habsburg rule (see
Corpus separatum (Fiume)), The Free State of Fiume was proclaimed as a fully independent free state which existed between 1920 and 1924. Its territory of 28 km
2 (11 sq mi) comprised the city of Fiume (now in
Croatia
, image_flag = Flag of Croatia.svg
, image_coat = Coat of arms of Croatia.svg
, anthem = "Lijepa naša domovino"("Our Beautiful Homeland")
, image_map =
, map_caption =
, capit ...
and, since the end of World War II, known as
Rijeka
Rijeka ( , , ; also known as Fiume hu, Fiume, it, Fiume ; local Chakavian: ''Reka''; german: Sankt Veit am Flaum; sl, Reka) is the principal seaport and the third-largest city in Croatia (after Zagreb and Split). It is located in Prim ...
) and rural areas to its north, with a corridor to its west connecting it to
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
.
Jerusalem
Under the
United Nations Partition Plan for Palestine
The United Nations Partition Plan for Palestine was a proposal by the United Nations, which recommended a partition of Mandatory Palestine at the end of the British Mandate. On 29 November 1947, the UN General Assembly adopted the Plan as ...
of 1947,
Mandatory Palestine
Mandatory Palestine ( ar, فلسطين الانتدابية '; he, פָּלֶשְׂתִּינָה (א״י) ', where "E.Y." indicates ''’Eretz Yiśrā’ēl'', the Land of Israel) was a geopolitical entity established between 1920 and 1948 i ...
was to be partitioned into three states: a Jewish state of
Israel
Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
, an Arab state of
Palestine, and a ''corpus separatum'' (
Latin
Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power ...
for "
separated body") consisting of a Jerusalem city-state under the control of
United Nations Trusteeship Council
The United Nations Trusteeship Council (french: links=no, Conseil de tutelle des Nations unies) is one of the six principal organs of the United Nations, established to help ensure that trust territories were administered in the best interest ...
. Although the plan had some international support and the UN accepted this proposal (and still officially holds the stance that Jerusalem should be held under this regime), implementation of the plan failed as the
1948 Palestine war broke out with the
1947–48 Civil War in Mandatory Palestine, ultimately resulting in Jerusalem being split into
West Jerusalem and
East Jerusalem. Israel would eventually gain control of East Jerusalem in the
Six-Day War
The Six-Day War (, ; ar, النكسة, , or ) or June War, also known as the 1967 Arab–Israeli War or Third Arab–Israeli War, was fought between Israel and a coalition of Arab world, Arab states (primarily United Arab Republic, Egypt, S ...
in 1967.
Memel
The Klaipėda Region or Memel Territory was defined by the
Treaty of Versailles
The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1 ...
in 1920 when it was put under the administration of the
Council of Ambassadors. The Memel Territory was to remain under the control of the
League of Nations
The League of Nations (french: link=no, Société des Nations ) was the first worldwide Intergovernmental organization, intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by ...
until a future day when the people of the region would be allowed to vote on whether the land would return to Germany or not. The then predominantly
ethnic German
, native_name_lang = de
, region1 =
, pop1 = 72,650,269
, region2 =
, pop2 = 534,000
, region3 =
, pop3 = 157,000
3,322,405
, region4 =
, pop4 = ...
Memel Territory (
Prussian Lithuanians and Memellanders constituted the other ethnic groups), situated between the river and the town of that name, was occupied by
Lithuania in the
Klaipėda Revolt of 1923.
Shanghai
The Shanghai International Settlement (1845–1943) was an international zone with its own legal system, postal service, and currency.
Tangier

The international zone within the city of
Tangier, in North Africa was approximately 373 km
2 (144 sq mi). It was at first under the joint administration of France, Spain, and the United Kingdom, plus later Portugal, Italy, Belgium, the Netherlands, Sweden, and the United States. The international zone was initially attached to Morocco. It then became a French-Spanish protectorate from 1923 until 29 October 1956, when it was reintegrated into the state of Morocco.
Trieste
The Free Territory of Trieste was an independent territory situated in Central Europe between northern Italy and Yugoslavia, facing the north part of the Adriatic Sea, under direct responsibility of the
United Nations Security Council
The United Nations Security Council (UNSC) is one of the Organs of the United Nations, six principal organs of the United Nations (UN) and is charged with ensuring international security, international peace and security, recommending the admi ...
in the aftermath of World War II, from 1947 to 1954. The UN attempted to make the Free Territory of Trieste into a city state, but it never gained real independence and in 1954 its territory was divided between
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
and
Yugoslavia
Yugoslavia (; sh-Latn-Cyrl, separator=" / ", Jugoslavija, Југославија ; sl, Jugoslavija ; mk, Југославија ;; rup, Iugoslavia; hu, Jugoszlávia; rue, label= Pannonian Rusyn, Югославия, translit=Juhoslavij ...
.
West Berlin
In the 20th century
West Berlin
West Berlin (german: Berlin (West) or , ) was a political enclave which comprised the western part of Berlin during the years of the Cold War. Although West Berlin was de jure not part of West Germany, lacked any sovereignty, and was under m ...
, though lacking sovereignty, functioned from 1948 until 1990 as a state legally not belonging to any other state, but ruled by the
Western Allies. They allowed – notwithstanding their overlordship as occupant powers – its internal organisation as one state simultaneously being a city, officially called Berlin (West). Though West Berlin maintained close ties to the West German
Federal Republic of Germany
Germany, officially the Federal Republic of Germany (FRG),, is a country in Central Europe. It is the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the south ...
, it never legally formed a part of it.
Modern city-states
Monaco
The
Principality of Monaco is an independent city-state bordering France.
Monaco-Ville (the ancient fortified city) and Monaco's well-known area
Monte Carlo
Monte Carlo (; ; french: Monte-Carlo , or colloquially ''Monte-Carl'' ; lij, Munte Carlu ; ) is officially an administrative area of the Principality of Monaco, specifically the ward of Monte Carlo/Spélugues, where the Monte Carlo Casino i ...
are districts of a continuous urban zone, not distinct cities, though they were three separate municipalities (''communes'') until 1917. The Principality of Monaco and the city of Monaco (each having specific powers) govern the same territory. Though they maintain a small
military
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distin ...
, they would still have to rely on France for defence in the face of an aggressive power.
Singapore
Singapore is an island city-state in
Southeast Asia
Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
bordering Malaysia. About 5.6 million people live and work within , making Singapore the
2nd-most-densely populated country in the world after Monaco. Singapore was part of
Malaysia
Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
for two years before it was
expelled from the federation in 1965, becoming an independent
republic, a city and a
sovereign country. ''
The Economist
''The Economist'' is a British weekly newspaper printed in demitab format and published digitally. It focuses on current affairs, international business, politics, technology, and culture. Based in London, the newspaper is owned by The Econ ...
'' refers to the nation as the "world's only fully functioning city-state". In particular, it has its own
currency
A currency, "in circulation", from la, currens, -entis, literally meaning "running" or "traversing" is a standardization of money in any form, in use or circulation as a medium of exchange, for example banknotes and coins.
A more general ...
, a large commercial
airport
An airport is an aerodrome with extended facilities, mostly for commercial air transport. Airports usually consists of a landing area, which comprises an aerially accessible open space including at least one operationally active surfa ...
, one of the busiest transshipment
maritime ports in the world, and fully fledged
armed forces
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...
to safeguard the nation's sovereignty against potential regional aggressors.
Vatican City

Until September 1870, the city of
Rome
, established_title = Founded
, established_date = 753 BC
, founder = King Romulus ( legendary)
, image_map = Map of comune of Rom