Širvėna Lake

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Lake Širvėna
Širvena lake as seen forn Northwestern corner of Biržai Castle
Lake Širvėna
Location	Biržai
Coordinates	56°12′43″N 24°45′18″E / 56.21194°N 24.75500°E / 56.21194; 24.75500Coordinates: 56°12′43″N 24°45′18″E / 56.21194°N 24.75500°E / 56.21194; 24.75500
Type	reservoir
Primary inflows	, Apaščia
Basin countries	Lithuania
Settlements	Biržai, ,

Širvėna Lake is a lake located in Biržai municipality, northern Lithuania. It is the oldest artificial lake in Lithuania. It was created in 1575 when the dam was built on rivers and Apaščia. The lake was built to protect the Radvila castle in Biržai. Now the city of Biržai, which was built around the castle, is located on the southern shore of Širvėna lake. The suburb of is built on the northern and the suburb of on the western shore.

Other names[]

• Biržų ežeras (The Lake of Biržai);
• Rališkių ežeras (Lake Rališkiai, before World War II);
• Prūdas (from Slavic word pond)