Ulaski [uˈlaski] is a village in the administrative district of Gmina Obryte, within Pułtusk County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) north-east of Obryte, 16 km (10 mi) east of Pułtusk, and 61 km (38 mi) north of Warsaw.