Katowice, Silesian Voivodeship, Poland
Skopje, Skopje, Macedonia (the former Yugoslav Republic of)
Olsztyn, Warmian-Masurian Voivodeship, Poland
Warsaw, Masovian Voivodeship, Poland
Poznań, Greater Poland Voivodeship, Poland
Tirana, Tirana County, Albania
Warszawa, mazowieckie, Poland
Ravenna, Ravenna, Italy
Vilnius, Lithuania
Warszawa, Poland
