The island's conventional name is the Department of Réunion, or Réunion. It is also locally referred to as Île de la Réunion. The French flag is used on the island. The island's capital is Saint-Denis, and the island is divided into four arrondissements, 24 communes and 47 cantons.
Réunion is governed by French law, and its constitution is the French constitution of 28 September 1958. Suffrage is granted universally to all those over the age of 18.