Didim is shaped as a peninsula surrounding Mugla on the east coast with huge inlet of Akbuk town, Aegean sea on the west and east coast, Lake Bafa and the Menderes River on the northern coast. 106 km's to Aydin provenience, 53 km' to Söke town, 73 km's to Kusadasi, 110 km's to Bodrum. Spread to 300 km2. of area.

People of Yenihisar used to go to Söke for their weekly shopping and Akköy used to be the biggest town of those days. But just after tourism, the place itself have turned into a rapidly growing holiday resort for tourists. the unfertile tobacco fields derived ancient Didyma (meaning twins remarkable at the temple of Apollo Artemisia and Apollo twin sister and brothers) became very dear and poor owners of those fields are now businessmen (most of them) owner of their hotels, restaurants and bars, etc.. The name was changed into "Didim" which is one and only in Turkey including a large area in its borders with the towns and villages leading to it became the town centre.