Etterbeek, Bruxelles, Belgium
Paris, France
Marki, Mazovia, Poland
Geneva, Switzerland
Skopje, Greater Skopje, Macedonia (the former Yugoslav Republic of)
Belgrade, City of Belgrade, Serbia
Sofia, Sofia City Province, Bulgaria
Elsene, Brussels Hoofdstedelijk Gewest, Belgium
Porto, Porto District, Portugal
Cardiff, United Kingdom of Great Britain and Northern Ireland
Beograd, Serbia
Klaipeda, Klaipeda, Lithuania