Nyland and Tavastehus County (, ) was a

county A county is a geographic region of a country used for administrative or other purposes Chambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

of the

Swedish Empire The Swedish Empire was a European great power that exercised territorial control over much of the Baltic region during the 17th and early 18th centuries ( sv, Stormaktstiden, "the Era of Great Power"). The beginning of the empire is usually ta ...

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 ...

from 1634 to 1809. In 1775 whole northern part of the county (later

Central Finland Central Finland ( fi, Keski-Suomi; sv, Mellersta Finland) is a region ( / ) in Finland. It borders the regions of Päijät-Häme, Pirkanmaa, South Ostrobothnia, Central Ostrobothnia, North Ostrobothnia, North Savo, and South Savo. The city o ...

region) was transferred to the new

Vasa County Vasa may refer to: Places * Vaşa, Azerbaijan * Vasa County, a historic county in modern-day Finland * Vaasa or Vasa, Finland * Vasa, Rajasthan, a village in Sirohi District, Rajasthan, India * Vasa, Palghar, a village in Maharashtra, India * ...

. Also a part of historical

Satakunta Satakunta (in both Finnish and Swedish, ) is a region ( / ) of Finland, part of the former Western Finland Province. It borders the regions of Southwest Finland, Pirkanmaa, South Ostrobothnia and Ostrobothnia. The capital city of the region ...

was added to the Nyland and Tavastehus County from the Åbo and Björneborg County, while Upper Hollola was transferred to the new

Kymmenegård County Kymmenegård County ( sv, Kymmenegårds län, fi, Kymenkartanon lääni) was a county of Sweden 1775-1809 and province of Grand Duchy of Finland 1809-1831. The county was created in 1775 by dividing the Savolax and Kymmenegård County ( sv, S ...

. By the

Treaty of Fredrikshamn The Treaty of Fredrikshamn ( sv, Freden i Fredrikshamn; russian: Фридрихсгамский мирный договор), or the Treaty of Hamina ( fi, Haminan rauha), was a peace treaty concluded between Sweden and Imperial Russia on 17 ...

in 1809 Sweden ceded all its territories in Finland, east of the

Torne River The Torne, also known as the Tornio ( fi, Tornionjoki, sv, Torne älv, , se, Duortneseatnu, fit, Tornionväylä), is a river in northern Sweden and Finland. For approximately half of its length, it defines the border between these two countr ...

, to Russia. The county still continued to exist as a province of the new autonomic

Grand Duchy of Finland The Grand Duchy of Finland ( fi, Suomen suuriruhtinaskunta; sv, Storfurstendömet Finland; russian: Великое княжество Финляндское, , all of which literally translate as Grand Principality of Finland) was the predecess ...

until 1831, when it was split to

Häme Province The Province of Häme ( fi, Hämeen lääni, sv, Tavastehus län) was a province of Finland from 1831 to 1997. In 1997 the southern parts with Kanta-Häme, Päijät-Häme was merged with the province of Uusimaa and Kymi into the new Provin ...

and

Uusimaa Province The Province of Uusimaa ( fi, Uudenmaan lääni, sv, Nylands län) was a province of Finland from 1831 to 1997. It was established in 1831, when the County of Nyland and Tavastehus was divided into the Häme Province and Uusimaa Province. In ...

Maps

Governors

* Arvid Göransson Horn af Kanckas 1634–1640 * Arvid Göransson Horn af Kanckas 1640–1648 (Tavastehus County) * Reinhold Mettstake 1640–1642 (Nyland County) * Jacob Uggla 1642–1648 (Nyland County) * Erik Andersson Oxe 1648–1652 *

Ernst Johan Greutz Ernst is both a surname and a given name, the German, Dutch, and Scandinavian form of Ernest. Notable people with the name include: Surname * Adolf Ernst (1832–1899) German botanist known by the author abbreviation "Ernst" * Anton Ernst (1975- ...

1652–1666 * Udde Knutsson Ödell 1666–1668 *

Axel Eriksson Stålarm Axel may refer to: People * Axel (name), all persons with the name Places * Axel, Netherlands, a town ** Capture of Axel, a battle at Axel in 1586 Arts, entertainment, media * ''Axel'', a 1988 short film by Nigel Wingrove * ''Axel'', a Cirque ...

1668–1678 *

Axel Rosenhane Axel may refer to: People * Axel (name), all persons with the name Places * Axel, Netherlands, a town ** Capture of Axel, a battle at Axel in 1586 Arts, entertainment, media * ''Axel'', a 1988 short film by Nigel Wingrove * ''Axel'', a Cirque ...

1678–1685 *

Jonas Klingstedt Jonas may refer to: Geography * Jonas, Netherlands, Netherlands * Jonas, Pennsylvania, United States * Jonas Ridge, North Carolina, United States People with the name * Jonas (name), people with the given name or surname Jonas * Jonas, one of ...

1685–1687 * Karl Bonde 1687–1695 *

Mårten Lindhielm A marten is a weasel-like mammal in the genus ''Martes'' within the subfamily Guloninae, in the family Mustelidae. They have bushy tails and large paws with partially retractile claws. The fur varies from yellowish to dark brown, depending on ...

1695–1696 *

Abraham Cronhjort Abraham, ; ar, , , name=, group= (originally Abram) is the common Hebrew patriarch of the Abrahamic religions, including Judaism, Christianity, and Islam. In Judaism, he is the founding father of the special relationship between the Jew ...

1696–1703 *

Johan Creutz Johan * Johan (given name) * ''Johan'' (film), a 1921 Swedish film directed by Mauritz Stiller * Johan (band), a Dutch pop-group ** ''Johan'' (album), a 1996 album by the group * Johan Peninsula, Ellesmere Island, Nunavut, Canada * Jo-Han, a manu ...

1703–1719 *

Per Stierncrantz Per is a Latin preposition which means "through" or "for each", as in per capita. Per or PER may also refer to: Places * IOC country code for Peru * Pér, a village in Hungary * Chapman code for Perthshire, historic county in Scotland Math ...

1719–1737 * Axel Erik Gyllenstierna af Lundholm 1737–1746 * Gustaf Samuel Gylleborg 1746–1756 * Anders Johan Nordenskjöld 1756–1761 * Hans Erik Boije af Gennäs 1761–1772 * Carl Ribbing af Koberg 1773 *

Anders Henrik Ramsay Anders is a male name in Scandinavian languages and Fering North Frisian, an equivalent of the Greek Andreas ("manly") and the English Andrew. It originated from Andres via metathesis. In Sweden, Anders has been one of the most common names fo ...

1774–1776 * Anders de Bruce 1777–1786 * Carl Gustaf Armfelt 1787–1788 * Johan Henrik Munck 1790–1809 *

Gustaf Fredrik Stiernwall Gustav, Gustaf or Gustave may refer to: * Gustav (name), a male given name of Old Swedish origin Art, entertainment, and media * ''Primeval'' (film), a 2007 American horror film * ''Gustav'' (film series), a Hungarian series of animated short car ...

1810–1815 * Gustaf Hjärne 1816–1828 * Carl Klick 1828–1831 {{DEFAULTSORT:Nyland And Tavastehus, County of Former counties of Sweden Former provinces of Finland 1634 establishments in Sweden