Isolabona is a comune in the Province of Imperia in the Italian region Liguria, located about 120 kilometres southwest of Genoa and about 30 kilometres west of Imperia. As of 2011, it had a population of 716, spread between 333 families throughout an area of 12.4 square kilometres. Isolabona shares borders the following municipalities: Apricale, Castelvittorio, Dolceacqua, Pigna and Rocchetta Nervina.