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