Rodrigues is a 108 km2 (42 sq mi) autonomous outer island of the Republic of Mauritius in the Indian Ocean, about 560 km (350 mi) east of Mauritius. It is part of the Mascarene Islands, which include Mauritius and Réunion. Like Agaléga, Rodrigues is a constituent island of the Republic of Mauritius, under the Constitution of Mauritius and still remains, as explicitly defined by the same Constitution, part of the Sovereignty of Mauritius, together with the following islands: "Agalega, Tromelin, Cargados Carajos, Chagos Archipelago ... Diego Garcia and other islands included in the State of Mauritius".

Réunion, officially Department of Réunion, is an island in the Indian Ocean that is an overseas department and region of France. Part of the Mascarene Islands, it is located approximately 679 km (422 mi) east of the island of Madagascar and 175 km (109 mi) southwest of the island of Mauritius. As of January 2024, it had a population of 885,700. Its capital and largest city is Saint-Denis.