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 () 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 ''Österhaninge'' wer ...

, 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 () is a municipalities of Sweden, municipality in Kalmar County, south-eastern Sweden, with its seat in the city status in Sweden, city of Västervik. The present municipality was created in 1971, when the former ''City of ...

, Kalmar County ;Finland * Björkö, Houtskär, one of the main islands of the former municipality

Houtskär Houtskär (; ) 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 Archipelago Se ...

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 it ...

, 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 (; ) 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 2012, Vä ...

in the Archipelago Sea ;Russia * The Swedish name for

Primorsk, Leningrad Oblast Primorsk (; ; ) 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 Karelian Isthmus, west of St. Petersburg, at the northe ...

and the

Beryozovye Islands Beryozovye Islands (; ; , "Birch Island"), alternatively spelled Berezovye Islands, is an island group in Leningrad Oblast, Russia. Geography The islands are situated at the head of the Gulf of Finland, just outside the town of Primorsk on th ...

in the Leningrad Oblast

History

* The Treaty of Björkö, signed by Nicholas II of Russia and William II of the German Empire in 1905 and named after Björkö (now the Beryozovye Islands) {{disambiguation