Lithuania (Lietuva in Lithuanian), country in northeastern Europe. Along with Latvia and Estonia, two countries to the north, Lithuania is one of the Baltic states, and the largest of the three. Vilnius, the capital and largest city of Lithuania, is located in the southeastern portion of the country near the border with Belarus.

Lithuania sits on the eastern coast of the Baltic Sea, across from Sweden. On its northern border is Latvia. To the east and south of the country is Belarus, while to the southwest lie Poland and Kaliningrad Oblast, an exclave (part of a country not connected to the main territory) of Russia