Popowo Borowe [pɔˈpɔvɔ bɔˈrɔvɛ] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór Mazowiecki County, Masovian Voivodeship, in east-central Poland. It lies approximately 9 kilometres (6 mi) south-east of Nasielsk, 20 km (12 mi) north-east of Nowy Dwór Mazowiecki, and 38 km (24 mi) north of Warsaw.