Country - Year - Capital (if visited) - [some non UN]
Europe
1. Albania, 2006 Tirana
2. Andorra, 1979, 1980, 2015 Andorra la Vella
3. Austria, 1988, 1990, 1998 (2 x), 08, 09, 10, 11, 18 Vienna
4. Belgium,1985, 1986, 1996, 1997, 17, 18, 22 Brussels
5. Belarus, 2012, 2019 Minsk
6. Bosnia-Herzegovina, 2006
7. Bulgaria, 2006, 2008, 2017 Sofia
8. Croatia, 2006, 2014 Zagreb
9. Cyprus, 2009
10. Czech Republic, 96, 03, 04, 06, 10, 11, 16, 23 Prague
11. Denmark, 1988, 1991, 1997 Copenhagen
12. England, +20 x London
13. Estonia 2003, 2017 Tallinn
14. Finland 1991, 1998, 2002, 2003, 2006, 2010 Helsinki
15. France, + 20 x (...2023) Paris
16. German Democratic Republic, 1987 East Berlin
17. German Federal Republic, 1987, 1988, 1989, 1990 Bonn
18. Germany, + 20x (...2023) Berlin
19. Gibraltar, 2001, 2021
20. Greece, 2006, 2016, 2019, 2022 Athens
21. The Netherlands 1985, 1987, 1988
22. Hungary, 1998, 2013 Budapest
23. Iceland, 1996 Reykjavik
24. Ireland, 1989, 94-99, 00, 01, 06, 07, 08, 09, 14, 15, 17, 18 Dublin
25. Italy, 1986, 1987, 2006, 2008 Rome
26. Kosovo, 2017 Pristine
27. Latvia, 2004, 2006, 2007, 2012, 2017 Riga
28. Lichtenstein, 2011 Vaduz
29. Lithuania, 2004, 2007, 2012, 2017 Vilnius
30. Luxembourg, 1986, 1987, 2023 Luxembourg
31. Malta, 2013 (including Gozo) La Valetta
32. Macedonia, 2006, 2017 Skopje
33. Moldova, 2016 Chisinau
34. Monaco, 1986 Monaco
35. Northern Ireland, 1994, 1995, 1996, 1998, 2015 Belfast
36. Norway, 1991, 1998
37. Poland, 1997, 2004, 2007, 2010, 2017, 2018 Warsaw
38. Portugal, 1969-1994 &1999- Lisbon
Azores 97, 98, 99, 00, 01, 08, 10, 11, 16, 18 (all 9 islands)
Madeira 1997 (Madeira and Porto Santo)
39. Romania, 2008, 2023 Bucharest
40. Russia, 2003, 2017
Republic of Karelia, 2003
Kalingrad, 2017
41. Scotland, 1990, 1995 Edinburgh
42. Serbia and Montenegro, 2006
43. Serbia, 2013, 2014 Belgrade
44. Slovakia, 2004, 2009, 2018, 2022 Bratislava
45. Slovenia, 2008 Ljubljana
46. Spain, +150? Madrid
Majorca 2005
Gran Canaria, 2024
47. Sweden, 1988, 1990, 1998
48. Switzerland, 1986, 1987, 1990, 2011 Bern
49. Transnistria, 2016 Tiraspol
50. Turkey, 2006, 2009, 2010, 2015, 2023
51. Turkish Republic of Northern Cyprus, 2009 Nicosia
52. Ukraine, 2010, 2016 Kiev
53. Vatican, 2006 Vatican
54. Wales 1993, 1994, 1995, 1996
55. West Berlin, 1987
56. Yugoslavia, 1988, 1989
Croatia, 1988
Slovenia, 1988 & 1989
Africa (14x)
57. Cape Verde, 2002, 2008 Praia
Sal, 2002
Santiago, 2008
58. Egypt, 2009 Cairo
Ethiopia, 2018 (no overnight :( )
59. Guinea-Bissau, 2020 Bissau
60. Kenya, 2007 Nairobi
61. Lesotho, 2018 (Eswatini) Maseru
62. Morocco, 2000, 2001, 2002, 2010, 2011 Rabat
63. Mozambique, 2015, 2018 Maputo
64. São Tomé & Príncipe, 2010 São Tomé
65. Senegal, 2014 Dakar
66. South Africa, 2015, 2018
67. Swaziland (Eswatini after 2018), 2015 Mbabane
68. Tanzania, 2007
Zanzibar
69. Uganda, 2007 Kampala
70. Tunisia, 2013 Tunis
71. Zambia, 2018 Lusaka
72. Zimbabwe, 2018
North America (7x)
73. Mexico, 2001, 2003 México D. F.
74. Canada, 2007, 2019
Ontario
Quebec
75. United States of America, 2002, 2005
California, 2002
Nevada, 2002
Utah, 2002
Texas, 2005
South America (6x)
76. Argentina, 2007 Buenos Aires
77. Bolivia, 2002 La Paz/Sucre
78. Brazil, 2003, 2006, 2008, 2012
Ceará & Pernambuco, 2003
Minas Gerais, 2008
Rio de Janeiro, 2006, 2008
São Paulo, 2012
79. Paraguay, 2007 Asuncion
80. Uruguay, 2007 Montevideo
Central America (1x)
81. Costa Rica, 2019 San Jose
82. Panama, 2019 Panama
Asia (25x)
83. Armenia, 2010 (could be in Europe) Yerevan
84. Azerbaijan, 2010 (could be in Europe)
85. Bahrain, 2014 Manama
86. Brunei, 2014 Bandar Seri Begawan
87. Cambodia, 2012 Phnom Pehn
88. China, 2004
Guangzhou
89. Hong Kong, 2004
90. Macau, 2004
91. East Timor, 2003, 2004 Dili
92. Georgia, 2010 (could be in Europe) Tbilisi
93. India, 2008
Daman
Gujarat
Goa
Maharashtra
94. Indonesia, 2003, 2004, 2014 Jakarta
95. Iran, 2007 (2x), 2009, 2010-11, 2014 Tehran
96. Israel, 2009
97. Japan, 2015 Tokyo
98. Jordan, 2009 (2x) Amman
99. Kazakhstan, 2012, 2013 (2x), 2014, 2018 (2x) Astana
100. Kyrgyzstan, 2018 Bishkek
101. Korea, 2015 Seoul
102. Laos, 2012 Vientiene
103. Lebanon, 2009 Beirut
104. Malaysia, 2012 Kuala Lumpur
105. Oman, 2014 Muscat
106. Qatar, 2014 Doha
107. Myanmar, 2013
108. Singapore, 2012, 2023 Singapore
109. Sri Lanka, 2008, 2017 Colombo
110. Syria, 2009 Damascus
111. Tajikistan, 2011 Dushanbe
112. Thailand, 2003 , 2013 Bangkok
Turkey (counted in Europe)
113. United Arab Emirates, 2014
Dubai
Sharjah
114. Uzbekistan, 2018 Tashkent
Republic of Karakalpakstan
115. Vietnam, 2012 Hanoi
Oceania (2x)
116. Australia, 2003 Canberra
117. Fiji, 2023
118. New Caledonia, 2023 Noumea (not UN)
119. New Zealand, 2003, 2023 Wellington
120. Vanuatu, 2023 Port Vila