Dānija Aarhus Guldborgsund Igaunija Elva Haapsalu Pärnu Rakvere Tallinn Tartu Latvija Cēsis Jēkabpils Jelgava Liepāja Riga Valmiera Lietuva Gargždai Jonava Kaunas Klaipėda Palanga Panevėžys Tauragé Norvēģija Arendal Kristiansand Polija Darłowo Elbląg Gdańsk Gdynia Kołobrzeg Koszalin Mielno Pruszcz Gdański Reda Rumia Sejny Słupsk Sopot Somija Espoo Helsinki Jyväskylä Kemi Kirkkonummi Kotka Lahti Mariehamn Pori Porvoo Turku Vaasa Ukraina Boiarka Chernihivka Chernivtsi Ivano-Frankivsk Kalush Kamianets-Podilskyi Kherson Khmelnytskyi Kolomyia Kramatorsk Myrove Pokrovsk Rubizhne Vilnyansk Vyshhorod Zaporizhzhia Vācija Greifswald Hamburg Kiel Rostock Zviedrija Gävle Kalmar Karlskrona Luleå Malmö Örebro Region of Gotland Söderhamn Umeå Växjö Ystad Gargždai UBC member city since 2007 City web site