Zakynthos (Zante) lies in the eastern part of the Ionian sea, around 20 km west of the Greek mainland and the island of Kefalonia lies 15 km on the north. Zakynthos is about 40 km long and 20 km wide. The western half is a mountainous plateau, and the southwest coast consists mostly of steep cliffs. The eastern half is a densely populated fertile plain, with long sandy beaches. The capital, which has the same name as the prefecture, is the town of Zakynthos (Zante Town) lies on the eastern part of the northern coast.