Grądziki [ɡrɔnˈd͡ʑiki] is a village in the administrative district of Gmina Stary Lubotyń, within Ostrów Mazowiecka County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) south of Stary Lubotyń, 10 km (6 mi) north of Ostrów Mazowiecka, and 97 km (60 mi) north-east of Warsaw.