One of the Corsica island 's department is called Haute-Couture .
The island formed a single department until it was split in 1975 into two departments : Haute-Corse -LRB- Upper Corsica -RRB- and Corse-du-Sud -LRB- Southern Corsica -RRB- , with its regional capital in Ajaccio , the prefecture city of Corse-du-Sud .