Grodzisk [ˈɡrɔd͡ʑisk] is a village in the administrative district of Gmina Goworowo, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 1 kilometre (1 mi) south of Goworowo, 20 km (12 mi) south of Ostrołęka, and 84 km (52 mi) north-east of Warsaw.