Šimkai is a village in Šakiai District Municipality, in Marijampolė County, Lithuania. Šimkai lies at 47 m above sea level. The nearest city is Tauragė, 49 km to the west. Among the landmarks around are Panemunė Castle (5.5 km), Christmemel (6.1 km) and Jurbarkas Bridge (13.5 km).