Modrzewie (Polish pronunciation: [mɔdˈʐɛvjɛ]) is a village in the administrative district of Gmina Szczutowo, within Sierpc County, Masovian Voivodeship, in east-central Poland. It lies approximately 8 kilometres (5 mi) south-west of Szczutowo, 12 km (7 mi) west of Sierpc, and 126 km (78 mi) north-west of Warsaw.