Formentera is the smallest and southernmost island of the Illes Pitiüses group (which includes Ibiza and Formentera) and belongs to the Balearic Islands autonomous community (Spain). It is located approximately 6 kilometres (4 mi) south of Ibiza in the Mediterranean Sea. Its major villages are Sant Francesc Xavier, Sant Ferran de ses Roques, El Pilar de la Mola and La Savina.