sentences:  Samo's tribal union included the Windic March ("Marca Vinedorum") of Duke Valuk ("Wallucus Dux"), located in the Eastern Alps, in 631.The territory of the Windic march was contained within the larger March of Carniola in Carolingian times, but under King Otto I of Germany from about 960 on it was separated from Upper Carniola ("Gorenjska") and integrated into the March of Savinja (or "Soune").In 976 it was attached to the newly founded Duchy of Carinthia.