What island north of Sardinia did Carthage control in 265 BC?

In 265 BC, Carthage controlled the island of Corsica, located to the north of Sardinia. This strategic position allowed Carthage to extend its influence in the western Mediterranean. Corsica was significant for its resources and as a naval base for Carthaginian operations. The island's control was part of the larger tensions between Carthage and Rome that eventually led to the Punic Wars.