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 at 30,000. The part of the Mediterranean east of Spain, around the Balearic Isles, was called "Mare Balearicum", or "Sinus Balearicus". The Vandals under Genseric conquered the Islands sometime between 461 and 468 during their war on the Roman Empire. However, in late 533 or early 534, following the Battle of Ad Decimum, the troops of Belisarius reestablished control of the islands for the Byzantine Empire. Imperial power receded precipitately in the western Mediterranean after the fall of Carthage and the Exarchate of Africa to the Umayyad Caliphate in 698, and in 707 the islands submitted to the terms of