Brzeźnica Książęca [bʐɛʑˈnit͡sa kɕɔ̃ˈʐɛnt͡sa] is a village in the administrative district of Gmina Niedźwiada, within Lubartów County, Lublin Voivodeship, in eastern Poland. It lies approximately 14 kilometres (9 mi) north-east of Lubartów and 36 km (22 mi) north of the regional capital Lublin.