Dortmund, North Rhine-Westphalia, Germany
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
Madrid, Madrid, Spain
Madrid, Community of Madrid, Spain
Lisbon, Lisbon, Portugal
Athens, Attica, Greece
Athens, Neither U.S. nor Canada, Greece
Rome, Lazio, Italy
Toulouse, Occitanie, France
Leiden, South Holland, Netherlands
