Piotrowice [pjɔtrɔˈvit͡sɛ] is a village in the administrative district of Gmina Nidzica, within Nidzica County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) east of Nidzica and 49 km (30 mi) south of the regional capital Olsztyn.