Tourism in Greece traces its roots to the ancient times. Cultural exchange took place between the Greek colonies of Magna Graeca and the young Roman Republic before Rome's rise to dominance of the Western Mediterranean. When Greece was annexed by the Roman Empire centuries later, the cultural exchange that started between the two civilization triggered as a result a large number of Romans visiting the famous centers of Greek philosophy and science, such as Athens, Corinth and Thebes, partly because Greece had become a province of the Roman Empire and Greeks were granted Roman citizenship.
Tourism in modern-day Greece started to flourish in the 1960s and 1970s, in what became known as mass tourism. During that time, large-scale construction projects for hotels and other such facilities were undertaken and the country saw an increase in international tourists over the years.