Afternoon departure for Thessaloniki. It is here that the second largest port is located, which connects Europe with the countries of the East. The city was founded in 316 BC by King Cassandra and named after his wife Thessaloniki. Guided tour: Old district of the city of Kastro, St. Demetrius Basilica, White Tower, Aristotle Square, Roman Forum. Free time (approx. 2 hours). In the evening there is also a cruise by boat - the so-called water café along the illuminated quay. Return in the evening.