Ialysos is a town and a former municipality on the island of Rhodes, in the Dodecanese, Greece. Since the 2011 local government reform it is part of the municipality Rhodes, of which it is a municipal unit. The municipal unit has an area of 16.7 km2. It is the second-largest town on the island of Rhodes, having a population of approximately 13,000. Ialysos is located eight kilometres west of the town of Rhodes, the island's capital, on the island's northwestern coast.