Józefów pronounced [juˈzɛfuf] is a town in east-central Poland, located in Masovian Voivodeship, in Otwock County. It lies about 15 kilometres southeast of Warsaw city centre and is a part of that city's metropolitan area. Located on a picturesque confluence of Vistula and Świder rivers, it is home to one landscape reserve and three natural reservation zones. As of 2006 it had 18,157 inhabitants.
