Tricky Geography Trivia

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Across
  1. 3. Controversially-named city in Northern Ireland, Irish view.
  2. 9. Briefly Soviet naval base in Finland
  3. 11. Istanbul, not ______________
  4. 13. Kaliningrad, first.
  5. 14. Controversially-named city in Northern Ireland, British view.
  6. 16. Exclave of Angola
  7. 17. Eponymous mountain of an autonomous theocratic republic.
  8. 19. Here, the poppies blow between the crosses, row on row, that mark their place; and in the sky the larks, still bravely singing, fly.
  9. 20. Private Hawaiian island
  10. 21. The other continental federal Australian territory.
Down
  1. 1. Only remaining Grand Duchy
  2. 2. Soviet Romania
  3. 4. De facto capital of West Germany.
  4. 5. Pacific French atoll off the coast of Mexico
  5. 6. "When the snow-crowned golden Sierras keep their watch o'er the valley's bloom, it is there I would be in our land by the sea, every breeze bearing rich perfume."
  6. 7. Name of New Zealand in it's other official Language
  7. 8. Main island of the British Overseas Territory where "no person has the right of abode".
  8. 10. Island awarded by the first arbitration of the League of Nations
  9. 12. Sovereign Belgian railway & bike path.
  10. 15. Subarctic region, part of which is subject to a boundary dispute between two Canadian provinces.
  11. 18. Capital of the Conch Republic.
  12. 19. The other nominal province of the Republic of China.