Vilnius Lithuania Last Updated on 1 October 2024 by Johan Vilnius is the capital of Lithuania and the largest city of the country. Vilnius is located in the southeast part of Lithuania. Vilius had a population of 542,664 in 2015. More information Grūto park Lithuania Liubavas Manor Watermill-Museum, Lithuania St. Casimir’s Church, Vilnius, Lithuania Vilnius Cathedral Lithuania