Rodrigues is a 108 square km autonomous outer island of the Republic of Mauritius in the Indian Ocean, about east of Mauritius. It is part of the Mascarene Islands which include Mauritius and Réunion. It is of volcanic origin surrounded by coral reef, and just off its coast lie some tiny uninhabited islands. The island used to be the tenth District of Mauritius, it gained autonomous status on 10 December 2002, and it is governed by the Rodrigues Regional Assembly. The capital of the island is Port Mathurin.