Podlashuks
Podlashuks (Podlachian: Пудляшуки,   Podlašuki; ; ; ) are an East Slavic ethnic group from Podlachia, a historical region in northeastern Poland which includes the Podlaskie and Lublin Voivodeships. Some Podlashuks identify as Belarusian, Ukrainian, or Polish, while others identify as a distinct ethnic group. Language 
Podlashuks traditionally speak the Podlachian microlanguage, alternatively classified as the  of Northern Ukrainian. Religion 
Podlashuks in northern Podlachia, located within Podlaskie Voivodeship, are mostly Eastern Orthodox, while those in southern Podlachia, in Lublin Voivodeship, are mostly Roman Catholic. Citations

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Ukrainian diaspora in Poland
Belarusians in Poland
East Slavs
Ethnic groups in Poland