Bavaria also The Free State of Bavaria is region and state of Germany, has a area of 70,550.19 km2 (27,239.58 sq mi) and is located in the southeast of Germany. The population of Bavaria is 13,124,737 (2019-12-31). It is also the largest second German state by population and is the biggest German state by land. Something surprising is that Bavaria takes a fifth of the total land area of Germany. Bavaria's main cities are Munich, Nuremberg, and Augsburg. The history of Bavaria includes its earliest settlement by Iron Age Celtic tribes, followed by the conquests of the Roman Empire in the 1st century BC, when the territory was incorporated into the provinces of Raetia and Noricum.