Gruszka Duża-Kolonia [ˈɡruʂka ˈduʐa kɔˈlɔɲa] is a village, in the administrative district of Gmina Nielisz, within Zamość County, Lublin Voivodeship, in eastern Poland. It lies approximately 7 kilometres (4 mi) west of Nielisz, 24 km (15 mi) north-west of Zamość, and 56 km (35 mi) south-east of the regional capital Lublin.