Păuca is a commune located in Sibiu County, Transylvania, Romania. It is composed of four villages: Bogatu Român, Broșteni, Păuca, and Presaca. The commune is situated on the Transylvanian Plateau. It is located in the western part of the county, on the border with Alba County, at a distance of 47 km from the county seat, Sibiu, and 41 km from Alba Iulia. According to the census from 2011 there was a total population of 1,929 people living in this commune, of which 94.04% are ethnic Romanians, 2.44% are ethnic Romani, and 1.66% are ethnic Germans.