Bychawa is a town located in southeastern Poland within the Lublin Voivodeship. It is situated in Lublin County, approximately 25 km (16 mi) south of the city of Lublin. Geographically, the town lies in the Lublin Upland and belongs to the historic region of Lesser Poland.
The town covers an area of 6.69 square kilometres (2.58 sq mi) and is positioned on the Gałęzówka and Kosarzewka rivers. As of December 2021, Bychawa had a population of 4,757 inhabitants.