A political border established before the cultural landscape was substantially populated. Such a boundary often predates the development of most of the cultural features of the region. For instance, certain physical boundaries in sparsely populated areas might be designated before significant settlement occurs. An example includes the Malaysia-Indonesia boundary on the island of Borneo, which was defined by the colonial powers prior to extensive settlement or cultural development in the interior regions.
These pre-existing divisions can significantly impact subsequent cultural and political developments. Their presence shapes the patterns of settlement, resource exploitation, and the establishment of distinct cultural regions. Understanding the origin and evolution of these established lines of demarcation is crucial for comprehending contemporary geopolitical landscapes and potential sources of conflict or cooperation. Historically, such lines were often determined through exploration or agreement among colonial powers with limited knowledge of the existing human geography.