1. A border between two or more countries or territories whose sovereignty or exact demarcation is disputed by the parties involved
The contested border between India and Pakistan has been a source of ongoing tension for decades.
A fronteira contestada entre Índia e Paquistão tem sido fonte de tensão contínua por décadas.
2. A boundary line that lacks international consensus regarding its legal status or territorial ownership
The Western Sahara represents one of Africa's most significant contested borders.
A Saara Ocidental representa uma das fronteiras contestadas mais significativas de África.