Berlin, Berlin, Germany
Porto, Porto District, Portugal
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
București, Municipiul București, Romania
Stockholm, Stockholm County, Sweden
Sumy, Sumy, Ukraine
Dos Hermanas, Andalucía, Spain
Zheleznogorsk, Kursk, Russian Federation
Zagreb, Zagreb City, Croatia
Maragogi, Alagoas, Brazil
Kyiv, Kyiv Province, Ukraine
Kraków, Lesser Poland Voivodeship, Poland