High Quality Content by WIKIPEDIA articles Vilnius ( ( listen), see also other names) is the capital of Lithuania, and its largest city, with a population of 560,190 (850,324 together with Vilnius County) as of 2010. It is the seat of the Vilnius city municipality and of the Vilnius district municipality. It is also the capital of Vilnius County. The first known written record of Vilnius as the Lithuanian capital is known from Gediminas' letters...