Across
- 2. Swedish capital built on 14 islands
- 4. Bavarian city famous for Oktoberfest
- 6. Walled city on the Adriatic Sea
- 10. Poland's royal capital for centuries
- 11. Home of the Alhambra, last Muslim stronghold in Spain
- 12. Capital of Romania, known as 'Little Paris'
- 13. Charming capital of Slovenia
- 15. Former Russian imperial capital on the Baltic Sea
- 16. Capital of Slovakia on the Danube
- 17. French city famous for wine and Gothic architecture
- 20. Ancient city destroyed by a volcanic eruption
- 22. Swiss city known for diplomacy and the United Nations
- 26. Cradle of the Renaissance in Italy
- 29. Scottish capital with a historic castle
- 30. City of canals, built on water
- 31. Estonian capital with a well-preserved medieval old town
- 34. Ancient city, birthplace of democracy
- 37. Medieval city in Tuscany, famous for its Palio horse race
- 39. German city with a towering cathedral
- 40. Home of the Tower, Big Ben, and the Thames
- 41. Historic capital of Latvia with art nouveau buildings
- 45. Irish capital with Viking origins
- 47. Capital of Belgium, heart of the EU
- 49. German City known for medieval architecture and war trials
- 50. City of a hundred spires in the Czech Republic
Down
- 1. Formerly Byzantium and Constantinople
- 3. Former capital of Spain, known for its swords
- 5. City with a famous mosque-cathedral
- 7. City of light with centuries of art and culture
- 8. English region with a Viking past
- 9. Birthplace of Mozart, city of baroque architecture
- 14. Historic city in Ukraine with a mix of cultures
- 18. Andalusian city with flamenco and Gothic cathedrals
- 19. City divided during the Cold War, now reunited
- 21. Capital of Spain with royal palaces
- 23. Historic capital of the Austro-Hungarian Empire
- 24. Medieval city in Belgium, known for its canals
- 25. Historic city where World War I began
- 27. Capital of Finland, by the Baltic Sea
- 28. City in France, once home to the papacy
- 32. Capital of Portugal, rebuilt after a 1755 earthquake
- 33. Historic Italian city near Mount Vesuvius
- 35. Once the heart of the Byzantine Empire
- 36. City split by the Danube River
- 38. Historic English city with Roman and Viking roots
- 42. Nickname for Edinburgh
- 43. City of canals and cycling
- 44. Home to the Kremlin and Red Square
- 46. Ancient name for Istanbul
- 48. Capital of an empire, home to the Colosseum
