Durlasy [durˈlasɨ] is a village in the administrative district of Gmina Lelis, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 2 kilometres (1 mi) south of Lelis, 12 km (7 mi) north of Ostrołęka, and 112 km (70 mi) north of Warsaw.