Across
- 4. Small Japanese island
- 5. Southeast Asian archipelago
- 7. World’s largest archipelago state
- 10. Island south of India
- 13. Island off China
- 16. Largest Mediterranean island
- 17. Densely populated island
- 18. Italian Mediterranean island
- 19. Western British Isles island
Down
- 1. Eastern Mediterranean island
- 2. Northern Japanese island
- 3. Largest Japanese island
- 6. Volcanic North Atlantic island
- 8. South Pacific island nation
- 9. East Asian island nation
- 10. Indonesian island
- 11. French Mediterranean island
- 12. Largest UK island
- 14. Southern Japanese island
- 15. Greek island