Chojnice County is a unit of territorial administration and local government (powiat) in Pomeranian Voivodeship, northern Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms in 1998. Its administrative seat and largest town is Chojnice, which lies 103 kilometres (64 mi) south-west of the regional capital Gdańsk. The county also contains the towns of Czersk, lying 30 km (19 mi) east of Chojnice, and Brusy, 24 km (15 mi) north-east of Chojnice.