Grunwald [ˈɡrunvalt] (German: Grünfelde, green field) is a village in the administrative district of Gmina Grunwald, within Ostróda County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 26 kilometres (16 mi) south of Ostróda and 43 km (27 mi) south-west of the regional capital Olsztyn.