Popielarnia [pɔpjɛˈlarɲa] is a village in the administrative district of Gmina Wiskitki, within Żyrardów County, Masovian Voivodeship, in east-central Poland. It lies approximately 9 kilometres (6 mi) south-west of Wiskitki, 11 km (7 mi) west of Żyrardów, and 53 km (33 mi) west of Warsaw.