Sokołów Podlaski [sɔˈkɔwuf pɔdˈlaski] is a town in Poland, in Masovian Voivodeship, about 80 kilometres (50 miles) east of Warsaw. The town lies on the Cetynia river, in the historical region of Podlachia and is the capital of Sokołów County. The first settlement was in the 6th century and the town received its charter in 1424. Population in 2004 was 18,434 (18,481 in 2010 and 18,720 in 2013).