Siedzów [ˈɕɛd͡zuf] is a village in Otwock County, Gmina Sobienie-Jeziory.The population is near 350. From 1975 to 1998 village was in Siedlce Voivodeship. It lies approximately 3 kilometres (2 mi) south-west of Sobienie-Jeziory, 23 km (14 mi) south of Otwock, and 40 km (25 mi) south-east of Warsaw.