From the Wikipedia page 
Pisz County (Polish: powiat piski) is a unit of territorial administration and local government (powiat) in Warmian-Masurian Voivodeship, northern Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Pisz, which lies 88 kilometres (55 mi) east of the regional capital Olsztyn. The county contains three other towns: Orzysz, 24 km (15 mi) north-east of Pisz, Ruciane-Nida, 17 km (11 mi) west of Pisz, and Biała Piska, 18 km (11 mi) east of Pisz.
Pisz County is bordered by Giżycko County to the north, Ełk County and Grajewo County to the east, Kolno County and Ostrołęka County to the south, Szczytno County to the west, and Mrągowo County to the north-west.