Cyprus
The northern part of Cyprus was occupied by Turkey in 1974 and is now the (unrecognised) 'Republic of Northern Cyprus'.
The mediterranean island of Corsica belong the country of France
The island of Corsica
The island that was part of Charlemagne's empire is Corsica. During his reign, Charlemagne expanded his territory significantly, and Corsica became incorporated into the Frankish realm, highlighting the strategic importance of the island in the Mediterranean. The island's integration into the empire helped solidify Frankish influence in the region.
This island is Cyprus.
Corsica is part of France.
France
The Balearic Islands
Easter Island is a special territory of Chile, making it part of Chilean territory.
Northan island.. its is british territory
Currently, Cyprus is the only major island in the Mediterranean with a Muslim-government presence: the illegal occupation government of the Turkish Republic of North Cyprus. If the map you are looking at is from the days of the Abbassid Caliphate, then the island in question would be Sicily, which was conquered by the Arab Muslims and held for roughly two centuries.