Thessaloniki is the second-largest city in Greece, north of Athens. Is very popular with visitors, thanks to its beautiful sea views, tree-lined streets, many museums, Turkish-influenced food, thriving modern culture and ancient Byzantine churches. It also makes an excellent base for exploring Mount Athos and the historical sites of Philip II of Macedon and Alexander the Great.

Athens is Greece's capital and largest city, with a population of over 745,000 within the city limits. Named for its patron goddess Athena, the historic city of Athens is famed for its wealth of classical temples and museums full of ancient art and artifacts. Athens is also home to an important biblical site, numerous historic Greek Orthodox churches, and several modern religious sites.