9. Namibia and Botswana

Kaskiklili/Sedudu Island borders Area: 1,544 km (length of the entire boundary) Estimated GDP: $26 billion (Namibia) / $42 billion (Botswana)* The Chobe River’s Kasikili/Sedudu Island became the centre of a calm territorial dispute between Namibia and Botswana. The International Court of Justice settled the dispute in 1999, confirming the island’s status as a part of Botswana’s territory. Namibia and Botswana ©Banja Mulder, Frans,/Wikimedia The fact that this ruling was founded on the river’s navigable courses emphasises how crucial natural geography is to international law. Attracting tourists and nature lovers, the island is a key wetland habitat within Chobe National Park, distinguished by its rich fauna and lush foliage.
