2021

1. Sat 13.02.2021 day of arrival
   Course from 14.02. to Fri 19.02.2021
   Sat 20.02.2021 day of departure
   
   
2. Sat 09.10.2021 day of arrival
   Course from 10.10. to Fri 15.10.2021
   Sat 16.10.2021 day of departure
   
   
3. Sat 16.10.2021 day of arrival
   Course from 17.10. to Fri 22.10.2021
   Sat 23.10.2021 day of departure
   

2022

1. Sat 19.02.2022 day of arrival
   Course from 20.02. to Fri 25.02.2022
   Sat 26.02.2022 day of departure
   
   
2. Sat 15.10.2022 day of arrival
   Course from 16.10. to Fri 21.10.2022
   Sat 22.10.2022 day of departure
   
   
3. Sat 22.10.2022 day of arrival
   Course from 23.10. to Fri 28.10.2022
   Sat 29.10.2022 day of departure
   

Source: https://upload.wikimedia.org/wikipedia/commons/5/58/Thessaloniki_White_Tower_and_promanade.png

By Zweifüssler [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons