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1. Has the tallest building in Australia (Q1).
2. Most populated city in Australia.
3. Has the highest population that isn't a state capital.
4. The state capital with the least population.
5. City that is the furthest north.
6. City that is the furthest south.
7. Was first discovered by James Cook.
8. Has a mountain called Mt Coot-tha.
9. Has its airport located in Botany Bay.
10. Is west of Moreton Island
11. Hosts the Australian Grand Prix in F1.
12. Is west of K'gari Island
13. Westernmost state capital.
14. Easternmost state capital.
15. Just pasted a population of 2M.