Did you mean: Yotvingians
Yotvingia
Region
Yotvingia or Sudovia was a region where the Baltic tribe known as Yotvingians lived. It was located in the area of Sudovia and Dainava; south west from the upper Nemunas, between Marijampolė, Merkinė, Slonim, Kobryn, Białystok, and Ełk. Wikipedia