Formentera is a Spanish island located in the Mediterranean Sea, which belongs to the Balearic Islands autonomous community together with Mallorca, Menorca, and Ibiza. Moreover, Formentera is the smallest and most southerly island of the Pityusic Islands group. It covers an area of 83.24 square kilometres, including offshore islets. In 2011, the population was estimated 10,582, while, according to the Census of 1 January 2021, it counted 11,891 inhabitants.