Across
- 4. World famous sci-fi show filmed predominantly in Cardiff
- 6. Bay-side building sporting the words 'In these stones horizons sing'
- 9. Largest capacity venue in Cardiff
- 11. Motto of Welsh national rugby team
- 13. Pub which used to be a theatre in Cardiff centre
- 15. Number of castles in Cardiff
Down
- 1. Welsh band who opened Cardiff's central library
- 2. Cardiffian name-sake of well known rum brand
- 3. Welsh name for the large shopping centre in Cardiff
- 5. Birthplace of Roald Dahl
- 7. Oldest building in Cardiff
- 8. The tallest building in Cardiff
- 10. Historic name of Cardiff Bay
- 12. National animal of Wales
- 14. The largest park in Cardiff