Marijampolė (About this sound pronunciation ; also known by several other names) is an industrial city and the capital of the Marijampolė County in the south of Lithuania, bordering Poland and Russian Kaliningrad oblast, and Lake Vištytis. The population of Marijampolė is 48,700 (2003). It is the Lithuanian center of the Suvalkija region.Marijampolė is the seventh largest city in Lithuania, and has been its regional center since 1994.