Szczawin [ˈʂt͡ʂavin] is a village in the administrative district of Gmina Nowe Miasto, within Płońsk County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) north-east of Nowe Miasto, 21 km (13 mi) east of Płońsk, and 55 km (34 mi) north-west of Warsaw.