Piotrowice is a village in the administrative district of Gmina Karczew, within Otwock County, Masovian Voivodeship, in east-central Poland.
Voivodeship Road 801 and National Road 50 run through the village.
Six Polish citizens were murdered by Nazi Germany in the village during World War II.
From 1975 to 1998, the village was in Warsaw Voivodeship.