Kolonia [kɔˈlɔɲa] (German: Grünwalde) is a village in the administrative district of Gmina Świętajno, within Szczytno County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) east of Świętajno, 19 km (12 mi) east of Szczytno, and 56 km (35 mi) south-east of the regional capital Olsztyn.