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