Gregorowce is a village in the administrative district of Gmina Orla, within Bielsk County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 9 km south-west of Orla, 14 km south of Bielsk Podlaski, and 53 km south of the regional capital Białystok. According to the 1921 census, the village was inhabited by 175 people, among whom 170 Orthodox, and 5 Mosaic. At the same time, 23 inhabitants declared Polish nationality, 152 Belarusian. There were 40 residential buildings in the village. It is in one of five Polish/Belarusian bilingual Gmina in Podlaskie Voivodeship regulated by the Act of 6 January 2005 on National and Ethnic Minorities and on the Regional Languages, which permits certain gminas with significant linguistic minorities to introduce a second, auxiliary language to be used in official contexts alongside Polish.