Administrative boundaries are limits or borders of a geographic area under the jurisdiction of some governmental or managerial entity. They can define the spatial extent of legislative jurisdictions and regulatory, electoral, statistical and maritime geographic areas.

National Boundaries are referred to as Level 0 boundaries, the boundaries of the first sub-national level (Districts in Rwanda. Counties in Kenya, ....) as Level 1 boundaries, the boundaries of the second sub-national level as Level 2 boundaries etc.