Björkö (Swedish for "Birch Island") may refer to:
Places
;Sweden
*
Björkö, Ekerö, a Lake Mälaren island in Ekerö Municipality, Stockholm County, the location for the World Heritage Site Birka
*
Björkö, Öckerö, an island in Öckerö Municipality, Västra Götaland County
*
Björkö, Haninge, an island in
Haninge Municipality
Haninge Municipality (''Haninge kommun'') is a municipality in Stockholm County in east central Sweden. Its seat is located in Handen, a part of the Stockholm urban area.
Haninge Municipality was formed in 1971 when ''Västerhaninge'' and ''Öst ...
, Stockholm County
* Björkö, the southern part of
Väddö
Väddö is an island in the Baltic Sea in Roslagen district, Sweden. It is situated in Norrtälje Municipality. Together with the adjoined Björkö it is considered the seventh largest island of Sweden.
Väddö is separated from the mainland by ...
island in northern Roslagen, Norrtälje Municipality, Stockholm County. (Also a former parish there.)
*
Björkö, Västervik, an island in
Västervik Municipality
Västervik Municipality (Swedish: ''Västerviks kommun'') is a municipality in Kalmar County, south-eastern Sweden, with its seat in the city of Västervik.
The present municipality was created in 1971, when the former ''City of Västervik'' was ...
, Kalmar County
;Finland
*
Björkö, Houtskär, one of the main islands of the former municipality
Houtskär
Houtskär (; fi, Houtskari ) is an island group and former municipality of Finland. On 1 January 2009, it was consolidated with Iniö, Korpo, Nagu and Pargas to form the municipality of Pargas (briefly named Väståboland).
It is located in the ...
in the Archipelago Sea
*
Björkö (Korsholm)
Björkö is an island in Korsholm municipality, Finland. It is situated in the Kvarken area of the Gulf of Bothnia. The chief settlement is called Björköby. In addition to the main island, the Björkö area includes 350 skerry, skerries and its ...
, a Kvarken island in Korsholm Municipality, Ostrobothnia
*
Björkö, Kumlinge, an island and a village in
Kumlinge Municipality in the Åland Islands
*
Björkö, Korpo, an island in the former municipality
Korpo
Korpo (; fi, Korppoo ) is an island located in the Turku archipelago. It is a former municipality of Finland. On 1 January 2009, it was consolidated with Houtskär, Iniö, Nagu and Pargas to form the new town of Väståboland. As of 1 January ...
in the Archipelago Sea
;Russia
* The Swedish name for
Primorsk, Leningrad Oblast
Primorsk (russian: Примо́рск; fi, Koivisto; sv, Björkö) is a coastal town in Vyborgsky District of Leningrad Oblast, Russia and is the second largest Russian port on the Baltic, after St. Petersburg. It is located on the Karel ...
and the
Beryozovye Islands
Beryozovye Islands (russian: Берёзовые острова, Finnish: Koivisto, Swedish: Björkö; literally: "Birch Islands"), alternatively spelled Berezovye Islands, is an island group in Leningrad Oblast, Russia. The islands are situated at ...
in the Leningrad Oblast
History
* The
Treaty of Björkö
The Treaty of Björkö, also known as the Treaty of Koivisto, was a secret mutual defense accord signed on 24 July 1905 in Björkö between Wilhelm II of the German Empire and Tsar Nicholas II of Russia. Wilhelm was the chief author, but he acted ...
, signed by Nicholas II of Russia and William II of the German Empire in 1905 named after
Björkö (Beryozovye Islands)
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