Budapest, Budapest, Hungary
Lisboa, Lisboa, Portugal
Barcelona, Catalonia, Spain
Seoul, Seoul, South Korea
Ciampino, Lazio, Italy
Hamburg, Hamburg, Germany
Vilnius, Vilnius, Lithuania
Warsaw, Mazovia, Poland
Skopje, Skopje, Macedonia (the former Yugoslav Republic of)
Pescara, Abruzzo, Italy
Valparaiso, Indiana, United States