Księżpole-Smolaki [kɕɛ̃ʂˈpɔlɛ smɔˈlaki] is a village in the administrative district of Gmina Mokobody, within Siedlce County, Masovian Voivodeship, in east-central Poland. It lies approximately 21 kilometres (13 mi) north-west of Siedlce and 76 km (47 mi) east of Warsaw.