eg. Hotels Athens or Restaurants Thessaloniki
1

Athens Public Transports (Ο.Α.Σ.Α.)

15 Metsovou str., 10682, Αthens
Telephone
Call center: 11185
2

Thessaloniki Urban Transport Organization (Ο.Α.Σ.Θ.)

90 Al. Papanastasiou, 54644, Thessaloniki, 3rd floor
Telephone
Information Center: 185