The Municipality of Gythion, with its seat at Gythion is one of the largest in the prefecture of Laconia. It receives many visitors and has plenty of hotels and camping sites. From Trinisa and Selinitsa, Mavrovouni, Kamares, Vathy, Ageranos, to Skoutari, are to be found the loveliest beaches in the bay of Laconia, where the sea turtles find refuge.

The Municipality is connected by road to the Municipalities of Itylos and and Eastern Mani. By sea it has a regular boat service with Kythira and Crete. It is 45km from Sparta.

A little to the south rises the hill of Mavrovounio, where stands the castle of Goulades and to the west stretches the 3km long beach of Mavrovounio that winds down to Skoutari. To the south-west of Gythion on a steep, high hill, near the settlement of Marathea, stands the castle of Passavas (13th century) on the site of the ancinet town Las. On the pass between Gythion and Itylos there is the settlement of old Karioupoli, with strong Byzantine elements.