Rumunki [ruˈmuŋki] is a village in the administrative district of Gmina Gąbin, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) north-east of Gąbin, 15 km (9 mi) south-east of Płock, and 86 km (53 mi) west of Warsaw.