Cyrenaica ( ; Kyrēnaïkḗ, after the city of Cyrene; ;) is the eastern coastal region of Libya. Also known as Pentapolis in antiquity, it formed part of the Creta et Cyrenaica province during the Roman period, later divided into Libya Pentapolis and Libya Sicca. During the Islamic period, the area came to be known as Barqa, after the city of Barca.