1. Amsterdam, Netherlands
  2. Andorra la Vella, Andorra
  3. Antwerp, Belgium
  4. Athens, Greece
  5. Atlantic City, New Jersey
  6. Baku, Azerbaijan
  7. Barcelona, Spain
  8. Bath, England
  9. Belfast, Northern Ireland
  10. Belgrade, Serbia
  11. Bergamo, Italy
  12. Berlin, Germany
  13. Bern, Switzerland
  14. Bilbao, Spain
  15. Bologna, Italy
  16. Bordeaux, France
  17. Boston, Massachusetts
  18. Brasov, Romania
  19. Bratislava, Slovakia
  20. Bruges, Belgium
  21. Brussels, Belgium
  22. Bucharest, Romania
  23. Budapest, Hungary
  24. Budva, Montenegro
  25. Burano, Italy
  26. Cannes, France
  27. Cardiff, Wales
  28. Chicago, Illinois
  29. Chisinau, Moldova
  30. City of San Marino, San Marino
  31. Cologne, Germany
  32. Copenhagen, Denmark
  33. Cordoba, Spain
  34. Cork, Ireland
  35. Crete, Greece
  36. Derry, Northern Ireland
  37. Dublin, Ireland
  38. Edinburgh, Scotland
  39. Florence, Italy
  40. Frankfurt, Germany
  41. Galway, Ireland
  42. Gdansk, Poland
  43. Gdynia, Poland
  44. Gibraltar, British Overseas Territory
  45. Glasgow, Scotland
  46. Gothenburg, Sweden
  47. Gozo Island, Malta
  48. Granada, Spain
  49. Helsinki, Finland
  50. Kilkenny, Ireland
  51. Koprivshtitsa, Bulgaria
  52. Kotor, Montenegro
  53. Krakow, Poland
  54. Kyiv, Ukraine
  55. Lanzarote, Canary Islands, Spain
  56. Limerick, Ireland
  57. Lisbon, Portugal
  58. Liverpool, England
  59. Ljubljana, Slovenia
  60. London, England
  61. Lucerne, Switzerland
  62. Luxembourg City, Luxembourg
  63. Lyon, France
  64. Madrid, Spain
  65. Malaga, Spain
  66. Malmo, Sweden
  67. Manchester, England
  68. Marbella, Spain
  69. Mdina, Malta
  70. Miami, Florida
  71. Milan, Italy
  72. Minsk, Belarus
  73. Monaco, Principality of Monaco
  74. Mostar, Bosnia and Herzegovina
  75. Murano, Italy
  76. New Orleans, Louisiana
  77. New York City, New York
  78. Nice, France
  79. Nicosia, Cyprus
  80. Oslo, Norway
  81. Pamplona, Spain
  82. Paris, France
  83. Philadelphia, Pennsylvania
  84. Pisa, Italy
  85. Plovdiv, Bulgaria
  86. Podgorica, Montenegro
  87. Porto, Portugal
  88. Prague, Czech Republic
  89. Pristina, Kosovo
  90. Reykjavik, Iceland
  91. Riga, Latvia
  92. Rome, Italy
  93. Ronda, Spain
  94. Sarajevo, Bosnia and Herzegovina
  95. Seville, Spain
  96. Skopje, North Macedonia
  97. Sofia, Bulgaria
  98. Sopot, Poland
  99. Stockholm, Sweden
  100. Tallinn, Estonia
  101. Tenerife, Canary Islands, Spain
  102. Tirana, Albania
  103. Torcello, Italy
  104. Torrevieja, Spain
  105. Toulouse, France
  106. Trakai, Lithuania
  107. Vaduz, Lichtenstein
  108. Valencia, Spain
  109. Valletta, Malta
  110. Vatican City State, Holy See
  111. Venice, Italy
  112. Verona, Italy
  113. Vienna, Austria
  114. Vilnius, Lithuania
  115. Warsaw, Poland
  116. Waterford, Ireland
  117. Wroclaw, Poland
  118. Zagreb, Croatia
  119. Zurich, Switzerland