Bochnia is a town of 29,992 inhabitants on the river Raba in southern Poland. The town lies approximately in halfway [38 kilometres ] between Tarnów and the regional capital Kraków. Bochnia is most noted for its salt mine, the oldest functioning in Europe, built in the 13th century, a World Heritage Site. Since Poland's administrative reorganization in 1999, Bochnia has been the administrative capital of Bochnia County in Lesser Poland Voivodeship. Before reorganization it was part of Tarnów Voivodeship.
The area of Bochnia is 29.89 square kilometres. The town is located along national roads 94 and 75. The A4 motorway European route E40 also passes to the north of the town. It also has a rail station. Bochnia is a stop on a strategic West – East line from Kraków to Medyka.