Sääminginsalo has been said to be the largest true island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 of Finland

Finland

Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

 (area 1069 km² (412.7 sq mi)). However, it is not a real island, because it is partly surrounded by an artificial canal. If it is considered as an island, it is the third largest island in a lake in the world. This inland island is located in Southern Savonia

Southern Savonia

Southern Savonia is a region in the south-east of Finland. It borders to the regions Northern Savonia, North Karelia, South Karelia, Kymenlaakso, Päijänne Tavastia, and Central Finland...

 region, Eastern Finland

Eastern Finland

Eastern Finland was a province of Finland from 1997 to 2010. It bordered the provinces of Oulu, Western Finland and Southern Finland. It also bordered Russia.- History :...

 and is surrounded by the lake Greater Saimaa

Saimaa

Saimaa is a lake in southeastern Finland. At approximately , it is the largest lake in Finland, and the fourth largest in Europe. It was formed by glacial melting at the end of the Ice Age. Major towns on the lakeshore include Lappeenranta, Imatra, Savonlinna, Mikkeli, Varkaus, and Joensuu. The...

 (Haukivesi

Haukivesi

Haukivesi is a lake in southeastern Finland and a part of the Saimaa lake system. Its area is 562.31 km² . Like other lakes in the system, it contains numerous islands and is divided into a number of smaller regions such as Siitinselkä, Saviluoto, Tahkoselkä, Vuoriselkä, Kuokanselkä, Kuivaselkä,...

, Puruvesi

Puruvesi

Puruvesi is a lake in Eastern Finland. The lake is located in Kerimäki, Kesälahti and Punkaharju municipalities. Part of the Saimaa lake system, it borders on the sub-lake system of Pihlajavesi to the south...

 and Pihlajavesi), and an artificial canal, Raikuun kanava, that was built in 1750s. The most famous sight on Sääminginsalo is the Kerimäki Church

Kerimäki Church

The Kerimäki Church in Kerimäki, Finland, is the largest wooden church in the world.-History:Designed by Anders Fredrik Granstedt and built between 1844 and 1847, the church has a length of , a width of , a height of and a seating capacity of more than 3,000...

, the largest wooden church in the world.

Traditionally, Soisalo

Soisalo

Soisalo is the largest island of Finland and the largest inland island in Europe. The area of the island is . Located in Savonia, Eastern Finland, it is surrounded by the lakes Kallavesi, Suvasvesi, Kermajärvi, Ruokovesi, Haukivesi and Unnukka. Geographically Soisalo, although being surrounded by...

in the same lake complex has been considered the largest island of Finland, but technically it is not a true island either because the lakes surrounding it are not on the same level.