This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Serbia ethnic centurysr. en Ethnic map of the territory of presentday Serbia and neighbouring areas in the thth century according to the historical atlas for schools published in Belgrade in own PANONIAN Cczero References Main reference Created according to the historical map from this history atlas