Aachen, North Rhine-Westphalia, Germany 1 Aalborg, North Denmark Region, Denmark 48 Aalestrup, North Denmark Region, Denmark 2 Aarhus, Central Denmark Region, Denmark 51 Akranes, Akraneskaupstaður, Iceland 1 Akureyri, Akureyrarbær, Iceland 2 Alicante, Valencian Community, Spain 7 Almere, Flevoland, Netherlands 1 Almería, Andalusia, Spain 1 Alta, Finnmark, Norway 1 Amstelveen, North Holland, Netherlands 3 Amsterdam, North Holland, Netherlands 36 Antwerp, Flanders, Belgium 15 Arboga, Västmanland County, Sweden 1 Arnarstapi, Snæfellsbær, Iceland 1 Arnhem, Gelderland, Netherlands 2 Athens, Attica, Greece 239 Austria 22 Aveiro, Aveiro District, Portugal 3 Babinec, Banská Bystrica Region, Slovakia 1 Banská Bystrica, Banská Bystrica Region, Slovakia 1 Barcelona, Catalonia, Spain 14 Bari, Metropolitan City of Bari, Italy 7 Basel, Basel City, Switzerland 2 Basse, Overijssel, Netherlands 1 Belgium 25 Belgrade, Vojvodina, Serbia 1 Belo Horizonte, State of Minas Gerais, Brazil 1 Benalmádena, Andalusia, Spain 1 Bergen, Vestland, Norway 31 Berlin, Berlin, Germany 67 Bern, Canton of Bern, Switzerland 3 Bielefeld, North Rhine-Westphalia, Germany 1 Billund, Region of Southern Denmark, Denmark 7 Birkirkara, Birkirkara, Malta 4 Birkirkara, Malta, Malta 1 Bodø, Nordland, Norway 3 Bologna, Metropolitan City of Bologna, Italy 4 Bonn, North Rhine-Westphalia, Germany 1 Bordeaux, Nouvelle-Aquitaine, France 1 Braga, Braga, Portugal 6 Bratislava, Bratislava Region, Slovakia 5 Breda, North Brabant, Netherlands 2 Breiðdalsvík, Fjarðabyggð, Iceland 1 Bremen, Bremen, Germany 4 Brno, South Moravian Region, Czechia 4 Bruges, Flanders, Belgium 4 Brussel, Brussels, Belgium 1 Brussels, Brussels, Belgium 13 Brønderslev, North Denmark Region, Denmark 5 Bucharest, Bucharest, Romania 3 Budapest, Budapest, Hungary 5 Buenos Aires, Buenos Aires, Argentina 1 Bulgaria 3 Burgas, Burgas, Bulgaria 1 Caen, Normandy, France 1 Calabria, Metropolitan City of Bologna, Italy 1 Campania, Italy 6 Castelfranco Veneto, Province of Treviso, Italy 1 Catania, Metropolitan city of Catania, Italy 2 Cavargna, Province of Como, Italy 1 Celje, Celje, Slovenia 2 Chania, Crete, Greece 36 Cluj-Napoca, Cluj County, Romania 1 Cochem, Rhineland-Palatinate, Germany 1 Coimbra, Coimbra District, Portugal 4 Cologne, North Rhine-Westphalia, Germany 40 Copenhagen, Capital Region of Denmark, Denmark 75 Crete, Greece 2 Croatia 1 Czechia 3 Cádiz, Andalusia, Spain 1 Dalarna, Dalarna County, Sweden 1 Debrecen, Hajdú-Bihar, Hungary 3 Denmark 19 Dortmund, North Rhine-Westphalia, Germany 4 Drammen, Buskerud, Norway 3 Dresden, Saxony, Germany 1 Drøbak, Akershus, Norway 1 Dublin, County Dublin, Ireland 2 Duisburg, North Rhine-Westphalia, Germany 3 Düsseldorf, North Rhine-Westphalia, Germany 6 Echt, Limburg, Netherlands 1 Eindhoven, North Brabant, Netherlands 6 Eisenach, Thuringia, Germany 1 Elbingerode, Saxony-Anhalt, Germany 1 Enköping, Uppsala County, Sweden 1 Enschede, Overijssel, Netherlands 1 Epe, Gelderland, Netherlands 1 Esbjerg, Region of Southern Denmark, Denmark 11 Espoo, Uusimaa, Finland 7 Essen, North Rhine-Westphalia, Germany 2 Faro, Faro District, Portugal 2 Finland 14 Fira, Southern Aegean, Greece 1 Flensburg, Schleswig-Holstein, Germany 2 Florence, Metropolitan City of Florence, Italy 1 France 33 Frankfurt am Main, Hessen, Germany 28 Frankfurt an der Oder, Brandenburg, Germany 1 Frederikshavn, North Denmark Region, Denmark 3 Fredrikstad, Østfold, Norway 2 Freudenberg, North Rhine-Westphalia, Germany 1 Friuli-Venezia Giulia, Italy 1 Fuengirola, Andalusia, Spain 16 Funchal, Madeira, Portugal 1 Gelsenkirchen, North Rhine-Westphalia, Germany 1 Geneva, Geneva, Switzerland 1 Gera, Thuringia, Germany 2 Germany 75 Ghent, Flanders, Belgium 4 Gibraltar 1 Gibraltar, Gibraltar, Gibraltar 1 Gothenburg, Västra Götaland County, Sweden 6 Gotland, Gotlands län, Sweden 1 Granada, Andalusia, Spain 4 Graz, Styria, Austria 4 Greece 9 Groningen, Groningen, Netherlands 9 Gurro, Province of Verbano-Cusio-Ossola, Italy 1 Győr, Gyor-Moson-Sopron, Hungary 1 Gżira, Gżira, Malta 6 Hafnarfjörður, Hafnarfjarðarkaupstaður, Iceland 2 Halland, Halland County, Sweden 1 Hamburg, Hamburg, Germany 42 Hamm, North Rhine-Westphalia, Germany 1 Hammerfest, Finnmark, Norway 1 Hanover, Lower Saxony, Germany 2 Haugerud, Oslo, Norway 1 Haugesund, Rogaland, Norway 8 Heidelberg, Baden-Württemberg, Germany 1 Heidenau, Lower Saxony, Germany 1 Helsingborg, Skåne County, Sweden 4 Helsinki, Uusimaa, Finland 27 Hem, North Holland, Netherlands 1 Hemavan, Västerbotten County, Sweden 1 Heraklion, Crete, Greece 2 Herning, Central Denmark Region, Denmark 2 Hirtshals, North Denmark Region, Denmark 5 Hjallerup, North Denmark Region, Denmark 5 Hjørring, North Denmark Region, Denmark 6 Hoofddorp, North Holland, Netherlands 1 Horsens Hedegårde, North Denmark Region, Denmark 1 Horsens, Central Denmark Region, Denmark 30 Hungary 3 Husnes, Vestland, Norway 1 Hvide Sande, Central Denmark Region, Denmark 12 Hörby, Skåne County, Sweden 1 Húsavík, Norðurþing, Iceland 1 Inari, Lapland, Finland 2 Innsbruck, Tyrol, Austria 1 Italy 3 Jeppo, Ostrobothnia, Finland 2 Jyväskylä, Central Finland, Finland 5 Jönköping, Jonkoping County, Sweden 1 Kajaani, Kainuu, Finland 1 Kalamata, Peloponnese Region, Greece 1 Karlskrona, Blekinge County, Sweden 1 Karlstad, Varmland County, Sweden 5 Kassel, Hessen, Germany 1 Kavala, East Macedonia and Thrace, Greece 2 Keflavík, Reykjanesbær, Iceland 1 Kemi, Lapland, Finland 1 Kiel, Schleswig-Holstein, Germany 1 Kirkjubæjarklaustur, Skaftárhreppur, Iceland 1 Kiruna, Norrbotten County, Sweden 2 Klagenfurt am Wörthersee, Carinthia, Austria 1 Kolding, Region of Southern Denmark, Denmark 1 Kopavogur, Kópavogsbær, Iceland 2 Korsør, Region Zealand, Denmark 13 Košice, Košice Region, Slovakia 2 Kraków, Lesser Poland Voivodeship, Poland 7 Kranjska Gora, Jesenice, Slovenia 1 Kristiansand, Agder, Norway 14 Kristiansund, Møre og Romsdal, Norway 1 Lagos, Faro District, Portugal 1 Lappeenranta, South Karelia, Finland 1 Lappi, Satakunta, Finland 1 Larnaca, Larnaca, Cyprus 28 Las Palmas de Gran Canaria, Canary Islands, Spain 1 Lausanne, Vaud, Switzerland 1 Leiden, South Holland, Netherlands 9 Leipzig, Saxony, Germany 5 Lelystad, Flevoland, Netherlands 1 Lenka, Banská Bystrica Region, Slovakia 1 Leuven, Flanders, Belgium 2 Liberec, Liberec Region, Czechia 1 Lidköping, Västra Götaland County, Sweden 5 Lille, Hauts-de-France, France 3 Lillehammer, Innlandet, Norway 1 Limassol, Limassol, Cyprus 1 Lindau, Bavaria, Germany 1 Linköping, Östergötland County, Sweden 2 Linz, Upper Austria, Austria 2 Lisbon, Lisbon, Portugal 23 Liège, Wallonia, Belgium 2 Ljubljana, Ljubljana, Slovenia 2 London, England, United Kingdom 5 Luleå, Norrbotten County, Sweden 1 Lund, Skåne County, Sweden 1 Luz, Faro District, Portugal 2 Lyon, Auvergne-Rhône-Alpes, France 4 Maastricht, Limburg, Netherlands 2 Madrid, Community of Madrid, Spain 7 Malmö, Skåne County, Sweden 18 Malta 24 Marbella, Andalusia, Spain 7 Maribor, Administrative unit Maribor, Slovenia 2 Marseille, Provence-Alpes-Côte d'Azur, France 4 Mechelen, Flanders, Belgium 1 Milan, Metropolitan City of Milan, Italy 6 Miskolc, Borsod-Abaúj-Zemplén, Hungary 2 Montpellier, Occitanie, France 3 Moss, Østfold, Norway 1 Msida, Malta, Malta 7 Msida, Msida, Malta 1 Munich, Bavaria, Germany 28 Murcia, Region of Murcia, Spain 2 Málaga, Andalusia, Spain 38 Münster, North Rhine-Westphalia, Germany 1 Naples, Metropolitan City of Naples, Italy 10 Naxxar, Naxxar, Malta 1 Nedstrand, Rogaland, Norway 1 Netherlands 23 Nice, Provence-Alpes-Côte d'Azur, France 1 Nijmegen, Gelderland, Netherlands 3 Norrköping, Östergötland County, Sweden 2 Norway 25 Nuremberg, Bavaria, Germany 3 Odense, Region of Southern Denmark, Denmark 38 Olomouc, Olomouc Region, Czechia 2 Oslo, Oslo, Norway 38 Ostrava, Moravian-Silesian Region, Czechia 4 Oulu, North Ostrobothnia, Finland 14 Palermo, Metropolitan City of Palermo, Italy 11 Paris, Île-de-France, France 4 Perpignan, Occitanie, France 1 Pietà, Malta, Malta 1 Pietà, Pietà, Malta 2 Piraeus, Attica, Greece 1 Plovdiv, Plovdiv Province, Bulgaria 1 Plzeň, Plzeň Region, Czechia 4 Poland 3 Porto, Porto District, Portugal 8 Portugal 3 Posti, Võru County, Estonia 1 Poznań, Greater Poland Voivodeship, Poland 3 Prague, Prague, Czechia 7 Prešov, Prešov Region, Slovakia 1 Pécs, Baranya, Hungary 2 Qormi, Qormi, Malta 1 Randers, Central Denmark Region, Denmark 39 Rauma, Satakunta, Finland 1 Reykjavík, Reykjavíkurborg, Iceland 3 Riga, Riga, Latvia 2 Rio de Janeiro, State of Rio de Janeiro, Brazil 1 Roden, Drenthe, Netherlands 1 Romania 2 Rome, Metropolitan City of Rome Capital, Italy 5 Roskilde, Region Zealand, Denmark 1 Rothenburg ob der Tauber, Bavaria, Germany 1 Rotterdam, South Holland, Netherlands 35 Roubaix, Hauts-de-France, France 1 Rovaniemi, Lapland, Finland 3 Ruse, Ruse, Bulgaria 1 Salzburg, Salzburg, Austria 3 San Ġwann, San Ġwann, Malta 1 Sandefjord, Vestfold, Norway 1 Santander, Cantabria, Spain 1 Seville, Andalusia, Spain 5 Sicily, Italy 6 Silkeborg, Central Denmark Region, Denmark 1 Sirkka, Lapland, Finland 1 Skagen, North Denmark Region, Denmark 7 Skanderborg, Central Denmark Region, Denmark 1 Skellefteå, Västerbotten County, Sweden 6 Sliema, Malta, Malta 1 Sliema, Sliema, Malta 30 Slovakia 3 Slovenia 1 Sofia, Sofia City Province, Bulgaria 38 Spain 32 St. Julian's, Eastern Region, Malta 6 St. Julian's, Malta, Malta 3 St. Julian's, St. Julian's, Malta 59 Stavanger, Rogaland, Norway 16 Stetten, Baden-Württemberg, Germany 4 Stockholm, Stockholm County, Sweden 17 Struer, Central Denmark Region, Denmark 1 Stuttgart, Baden-Württemberg, Germany 20 Sundsvall, Västernorrland County, Sweden 2 Svendborg, Region of Southern Denmark, Denmark 1 Sweden 26 Switzerland 22 Szeged, Csongrád, Hungary 2 São Paulo, State of São Paulo, Brazil 1 Sønderborg, Region of Southern Denmark, Denmark 3 Søndervig, Central Denmark Region, Denmark 8 Tallinn, Harju County, Estonia 3 Tampere, Pirkanmaa, Finland 11 Tauberbischofsheim, Baden-Württemberg, Germany 1 Thale, Saxony-Anhalt, Germany 1 The Hague, South Holland, Netherlands 14 Thessaloniki, Central Macedonia, Greece 40 Tilburg, North Brabant, Netherlands 3 Torremolinos, Andalusia, Spain 1 Torrevieja, Valencian Community, Spain 17 Toulouse, Occitanie, France 2 Tromsø, Troms, Norway 5 Trondheim, Trøndelag, Norway 20 Turin, Metropolitan City of Turin, Italy 4 Turku, Southwest Finland, Finland 5 Târgu Mureș, Mureş, Romania 1 Umeå, Västerbotten County, Sweden 5 United Kingdom 5 Uppsala, Uppsala County, Sweden 17 Urk, Flevoland, Netherlands 1 Utrecht, Utrecht, Netherlands 23 Valencia, Valencian Community, Spain 1 Valladolid, Castile and León, Spain 1 Valletta, Valletta, Malta 17 València, Valencian Community, Spain 5 Vantaa, Uusimaa, Finland 2 Varna, Varna, Bulgaria 1 Vejle, Region of Southern Denmark, Denmark 5 Venice, Metropolitan City of Venice, Italy 1 Verona, Province of Verona, Italy 2 Vienna, Vienna, Austria 18 Vila Nova de Gaia, Porto District, Portugal 1 Vilnius, Vilnius City Municipality, Lithuania 1 Västerås, Västmanland County, Sweden 6 Warsaw, Masovian Voivodeship, Poland 13 Wiesbaden, Hessen, Germany 1 Wrocław, Lower Silesian Voivodeship, Poland 3 Wuppertal, North Rhine-Westphalia, Germany 1 Zakinthos, Ionian Islands, Greece 1 Zborov, Prešov Region, Slovakia 1 Zoetermeer, South Holland, Netherlands 1 Zonnebeke, Flanders, Belgium 1 Zürich, Zurich, Switzerland 7 Ålbæk, North Denmark Region, Denmark 1 Åleborg, Agder, Norway 1 Ålesund, Møre og Romsdal, Norway 5 Ærøskøbing, Region of Southern Denmark, Denmark 1 Örebro, Örebro County, Sweden 5 Český Krumlov, South Bohemian Region, Czechia 1 Łódź, Łódź Voivodeship, Poland 6 Žilina, Žilina Region, Slovakia 2