Petrovice u Sušice is a municipality and village in Klatovy District in the Plzeň Region of the Czech Republic. It has about 600 inhabitants. Petrovice u Sušice lies approximately 23 kilometres (14 mi) south-east of Klatovy, 59 km (37 mi) south of Plzeň, and 120 km (75 mi) south-west of Prague.