The uninhabited islands, located at , are immediately south of the island of Cavallo. They are 4km from the Corsican mainland, 7km from Cape Pertusato, and 10km southeast of Bonifacio. The islands are 5,123ha in area and the highest point is 50m. They form the southernmost point of Metropolitan France.
They were the site of the shipwreck of the French frigateSémillante on February 15, 1855.