Marijampolė is the capital of the Marijampolė County in the south of Lithuania, bordering Poland and Russian Kaliningrad Oblast, and Lake Vištytis. The city's population stood at approximately 48,700 in 2003. Marijampolė is the seventh-largest city in Lithuania and the sixteenth-largest city in the Baltic States. It is the cultural centre and largest settlement of the historical region of Suvalkija.