Rusyns
The main regional designations for Rusyns are "Carpatho-Rusyns" , "Carpatho-Ruthenians" and "Carpatho-Russians" , with the "Carpatho-" prefix referring to Carpathian Ruthenia ( Rusynia ) , a historical cross-border region encompassing southwestern parts of modern Ukraine , northeastern regions of Slovakia , and southeastern parts of Poland . 
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