Slavs
Slavs are the largest ethno-linguistic group in Europe. Present-day Slavic people are classified into East Slavs (chiefly Belarusians, Russians, Rusyns, and Ukrainians), West Slavs (chiefly Czechs, Kashubs, Moravians, Poles, Silesians, Slovaks and Sorbs), and South Slavs (chiefly Bosniaks, Bulgarians, Croats, Macedonians, Gorani, Pomaks, Montenegrins, Serbs and Slovenes).
Languages of Ukraine
The official language of Ukraine is Ukrainian, an East Slavic language which is the native language of 67.5% of Ukraine's population. Russian is the native language of 29.6% of Ukraine's population (mostly urban areas) and the rest (2.9%) are native speakers of other languages. Ethnologue lists 40 minority languages and dialects; nearly all are native to the former Soviet Union.