The Guinea-Bissau–Senegal land boundary stretches for 341 kilometers (212 miles) from the Atlantic Ocean in the west to the tripoint with Guinea in the east. The two States have an intertwined colonial history and remain closely linked to this day. The border was initially defined by France and Portugal in 1886 on behalf of their colonies of Senegal and Portuguese Guinea (Guinea-Bissau). After a series of early twentieth century demarcation exercises, the frontier was fully monumented and has remained unchanged. Over the years, low-level disputes have emerged due to conflict over the location of the maritime boundary and related to the separatist movement in Senegal’s Casamance region, which lies near the border with Guinea-Bissau. Today, the frontier is relatively stable, and there are no active border disputes between the two countries.

Map showing the land boundary between Guinea-Bissau and Senegal

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