Vilnius is the capital of Lithuania and its largest city, with a population of 542,664 as of 2015. It is located in the southeast part of Lithuania and is the second largest city in the Baltic states.

Vilnius is the seat of the Vilnius City Municipality and of the Vilnius District Municipality. The first known written record of Vilnius as the Lithuanian capital is known from Gediminas' letters in 1323.

Vilnius is classified as a Gamma global city according to GaWC studies, and is known for the architecture in its Old Town, declared a UNESCO World Heritage Site in 1994. Its Jewish influence until the 20th century has led to it being described as the "Jerusalem of Lithuania" and Napoleon named it "the Jerusalem of the North" as he was passing through in 1812. In 2009, Vilnius was the European Capital of Culture, together with the Austrian city of Linz.

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