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, Stockholm County
* Björkö, the southern part of
Väddö 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 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 in the Archipelago Sea
;Russia
* The Swedish name for
Primorsk, Leningrad Oblast and the
Beryozovye Islands 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)
{{disambiguation