Trzebnica County (Polish: powiat trzebnicki) is a unit of territorial administration and local government (powiat) in Lower Silesian Voivodeship, south-western Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. The county covers an area of 1,025.5 square kilometres (395.9 sq mi). Its administrative seat is Trzebnica, and it also contains the towns of Oborniki Śląskie, Żmigród and Prusice.