Eastern Europeans are a diverse group of people who inhabit the eastern part of the European continent. The term encompasses many different ethnic groups, including Slavs, Serbs, Letts, and Poles. Slavs are an Indo-European ethnic group native to Central, Eastern, and Southeastern Europe. Serbs are a South Slavic ethnic group native to the Balkans. Letts are an ethnic group native to Latvia and the Baltic region. Poles are a West Slavic ethnic group native to Poland.