Vilnius is the largest city and the capital of Lithuania, with a population of 553,904 (850,700 together with Vilnius County) as of December 2005. It is the seat of the Vilnius city municipality and of the Vilnius district municipality. It is also the capital of Vilnius County. Vilnius is 312 kilometres (194 mi) from the Baltic Sea and Klaipėda, the most important Lithuanian seaport. Vilnius is connected by highways to other major Lithuanian cities, such as Kaunas (102 km/63 mi away), Šiauliai (214 km/133 mi away) and Panevėžys (135 km/84 mi away).