Rhodes (Rodos) is the principal city and a former municipality on the island of Rhodes, in the Dodecanese, Greece. It has a population of approximately 80,000. Rhodes has been famous since antiquity as the site of Colossus of Rhodes, one of the Seven Wonders of the World. The citadel of Rhodes, built by the Hospitalliers, is one of the best preserved medieval towns in Europe which in 1988 was designated as a UNESCO World Heritage Site. The City of Rhodes is a popular international tourist destination.