Datça is a port town in southwestern Turkey. It's situated on the narrow Datça Peninsula on the Aegean Sea. Eski Datça is an old neighborhood with stone roads and bougainvillea-covered walls. At the western tip of the peninsula are ancient Greek ruins at Knidos, a trading hub during Roman and Byzantine times. The site includes an amphitheater, a temple to the goddess Aphrodite and a 4th-century B.C. sundial.