An antecedent political boundary is a border that was defined and established before the cultural landscape emerged. It predates human settlement patterns and often follows natural features like rivers or mountains.
Related terms
Subsequent Boundary: A boundary line established after an area has been settled and developed based on cultural or political factors.
Frontier: An area at or beyond the edge of settled territory, often characterized by sparse population density or minimal government control.
Demarcation: The process of physically marking or establishing boundaries between two areas through visible markers such as walls, fences, or signs.