Do you know your geography? (Part 2)

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Across
  1. 1. Capital of Portugal
  2. 4. Smallest country Malaysia borders by land
  3. 6. Russian peninsula home to the prison Hopper was kept captive in during Stranger Things season 4
  4. 8. Capital of French Guiana
  5. 12. Norway and Sweden and _______ and Finland and Germany now in one piece (Yakko's World Song)
  6. 16. Largest microstate surrounded by Italy
  7. 17. Capital of Western Sahara
  8. 18. Capital of Indonesia
  9. 21. Country whose national flag is half yellow and half orange, with a white dragon at the centre
  10. 22. Country home to the Petra, one of the 7 wonders of the world
  11. 23. Capital of Romania
  12. 26. Capital of the Bahamas
  13. 27. Country whose national flag has three vertical stripes of the same size coloured green, then white, then green, with no emblem
  14. 29. City in Alabama that also describes a type of phone
  15. 31. Country with the highest GDP per capita
  16. 34. Previously the largest country in Africa before splitting into two
  17. 35. The Dominican Republic's only land border
  18. 36. Island nation near Madagascar
  19. 38. Central American country with a capital city of the same name
  20. 39. Capital of Poland
  21. 40. Island nation of the coast of northwestern Africa
Down
  1. 2. Smallest country in the Middle East
  2. 3. City home to the NBA team the Hornets
  3. 5. Second most populous country in Africa
  4. 7. Northernmost town in Alaska connected by highway
  5. 9. Balkan country forced to change it's name due to having the same name as a Greek region
  6. 10. Least populous African country
  7. 11. Country whose national flag has three horizontal stripes of the same size coloured blue, then black, then white (top to bottom), with no emblem
  8. 13. Country home to the Jeita Grotto
  9. 14. Lowest alphabetical country
  10. 15. British territory in Spain directly across from Morocco
  11. 19. Capital of Latvia
  12. 20. Most valuable currency in the world
  13. 24. Country home to the popular tourist destination Koh Rong Island
  14. 25. Second smallest U.S. state
  15. 27. Country with the capital city Oslo
  16. 28. Most populous city in North America
  17. 30. Balkan country bordering Kosovo, Albania, Bosnia and Herznogovinia and a little bit of Croatia
  18. 31. Smallest country bordering Tunisia
  19. 32. Capital of Belgium
  20. 33. Country/territory China claims as it's own, recognized by few countries but not by the EU
  21. 37. Medicine ___, Alberta