The sanctuary established by the city of Alexandria Troas is located in the town of Gülpınar.The temple built in 150 BC is known as the most important sanctuary of Troas after the temple of Athena in Troy. Since the temple is believed to protect the farmers from rats, small mouse figures greet visitors on the temple stairs. There are 8 columns on the long sides and 14 columns on the front and back sides of the temple. The narrow sides of the temple are 23.20 meters long and the edges are 41.65 meters long. The entrance to the Sanctuary of Apollo Smitheus, which is 28 km from Assos, is not free of charge and museum cardholders can visit free of charge.