Balearic Islands in the insular council of Mallorca; the three other insular councils are not subdivided into separate comarques, but are themselves assimilated each one to a comarca covering the same territory as the insular council. These nine comarques are then subdivided into municipalities ("municipis"), with the exception of Formentera, which is at the same time an insular council, a comarca, and a municipality. Note that the maritime and terrestrial natural reserves in the Balearic Islands are not owned by the municipalities, even if they fall within their territory, but are owned and managed by the respective insular councils from which they
Balearic Islands declined between 2007 and 2017 while the largest-increasing populations were the Moroccans, Italians, and Romanians. Each one of the three main islands is administered, along with its surrounding minor islands and islets, by an insular council ("consell insular" in Catalan) of the same name. These four insular councils are the first level of subdivision in the autonomous community (and province) of the Baleares. Before the administrative reform of 1977, the two insular councils of Ibiza and Formentera were forming in a single one (covering the whole group of the Pitiusic Islands). This level is further subdivided into six comarques only