Here is a list of all countries and their capitals:
® Africa (54 countries) :
1. Algeria - Algiers
2. Angola - Luanda
3. Benin - Porto-Novo
4. Botswana - Gaborone
5. Burkina Faso - Ouagadougou
6. Burundi - Bujumbura
7. Cameroon - Yaoundé
8. Cape Verde - Praia
9. Central African Republic - Bangui
10. Chad - N'Djamena
11. Comoros - Moroni
12. Côte d'Ivoire - Yamoussoukro
13. Democratic Republic of the Congo - Kinshasa
14. Djibouti - Djibouti
15. Egypt - Cairo
16. Equatorial Guinea - Malabo
17. Eritrea - Asmara
18. Eswatini (formerly Swaziland) - Mbabane
19. Ethiopia - Addis Ababa
20. Gabon - Libreville
21. Gambia - Banjul
22. Ghana - Accra
23. Guinea - Conakry
24. Guinea-Bissau - Bissau
25. Kenya - Nairobi
26. Lesotho - Maseru
27. Liberia - Monrovia
28. Libya - Tripoli
29. Madagascar - Antananarivo
30. Malawi - Lilongwe
31. Mali - Bamako
32. Mauritania - Nouakchott
33. Mauritius - Port Louis
34. Morocco - Rabat
35. Mozambique - Maputo
36. Namibia - Windhoek
37. Niger - Niamey
38. Nigeria - Abuja
39. Republic of the Congo - Brazzaville
40. Rwanda - Kigali
41. São Tomé and Principe - São Tomé
42. Senegal - Dakar
43. Seychelles - Victoria
44. Sierra Leone - Freetown
45. Somalia - Mogadishu
46. South Africa - Pretoria (administrative) and Cape Town (legislative)
47. South Sudan - Juba
48. Sudan - Khartoum
49. Tanzania - Dodoma
50. Togo - Lomé
51. Tunisia - Tunis
52. Uganda - Kampala
53. Zambia - Lusaka
54. Zimbabwe - Harare
© Asia (49 countries) :
1. Afghanistan - Kabul
2. Armenia - Yerevan
3. Azerbaijan - Baku
4. Bahrain - Manama
5. Bangladesh - Dhaka
6. Bhutan - Thimphu
7. Brunei - Bandar Seri Begawan
8. Cambodia - Phnom Penh
9. China - Beijing
10. Cyprus - Nicosia
11. East Timor - Dili
12. Georgia - Tbilisi
13. India - New Delhi
14. Indonesia - Jakarta
15. Iran - Tehran
16. Iraq - Baghdad
17. Israel - Jerusalem
18. Japan - Tokyo
19. Jordan - Amman
20. Kazakhstan - Astana
21. North Korea - Pyongyang
22. South Korea - Seoul
23. Kuwait - Kuwait City
24. Kyrgyzstan - Bishkek
25. Laos - Vientiane
26. Lebanon - Beirut
27. Malaysia - Kuala Lumpur
28. Maldives - Malé
29. Mongolia - Ulaanbaatar
30. Myanmar (Burma) - Naypyidaw
31. Nepal - Kathmandu
32. Oman - Muscat
33. Pakistan - Islamabad
34. Palestine - Ramallah
35. Philippines - Manila
36. Qatar - Doha
37. Russia (partially in Europe) - Moscow
38. Saudi Arabia - Riyadh
39. Singapore - Singapore
40. Sri Lanka - Colombo
41. Syria - Damascus
42. Taiwan - Taipei
43. Tajikistan - Dushanbe
44. Thailand - Bangkok
45. Turkey - Ankara
46. Turkmenistan - Ashgabat
47. United Arab Emirates - Abu Dhabi
48. Uzbekistan - Tashkent
49. Vietnam - Hanoi
Δ Europe (50 countries) :
1. Albania - Tirana
2. Andorra - Andorra la Vella
3. Armenia - Yerevan
4. Austria - Vienna
5. Azerbaijan - Baku
6. Belarus - Minsk
7. Belgium - Brussels
8. Bosnia and Herzegovina - Sarajevo
9. Bulgaria - Sofia
10. Croatia - Zagreb
11. Cyprus - Nicosia
12. Czech Republic - Prague
13. Denmark - Copenhagen
14. Estonia - Tallinn
15. Finland - Helsinki
16. France - Paris
17. Georgia - Tbilisi