Bauska is a town in Bauska Municipality, in the Zemgale region of southern Latvia. Bauska is located 66 km from the Latvian capital Riga and 20 km from the Lithuanian border on the busy European route E67
The town is situated at the confluence of the shallow rivers Mūsa and Mēmele where they form the Lielupe River. Average temperatures in January are -5C, and 17.5C in July. Rainfall averages 500–650 mm annually.
In previous centuries city was known in German as Bauske, in Yiddish as Boisk and in Lithuanian as Bauskė.