Ostrava, Moravskoslezský kraj, Czechia
Wroclaw, Lower Silesia, Poland
Cluj-Napoca, Județul Cluj, Romania
Gdansk, Pomerania, Poland
Łódź, Łódź Voivodeship, Poland
Gdynia, Poland
Coimbra, Coimbra, Portugal
Ivanovo Oblast, Russian Federation
Krakow, Lesser Poland, Poland
Kraków, małopolskie, Poland
Stavanger, Rogaland, Norway
