I know its not the biggest and best but I might as well post Melbourne.
Football (Australian football, Rugby and Football)
- MCG 100,000
- Docklands 55,000
- Melbourne Rectangular stadium 31,500 (will be finished early 2010)
- Princes Park 30,000
- Victoria Park 27,000
- Moorabbin oval 27,000
- Whitten Oval 25,000
- Olympic Park 18,000 (Athletics)
- Bob Jane Stadium 15,000
Tennis
- Rod Laver Arena 15,000 (also used for basketball)
- Hisense Arena 11,000 (Also for track cycling, Basketball)
- Kooyong Centre court 8,500
- Margaret court Arena 6,000
Motor Sport
- Albert Park F1
- Phillip Island Moto GP
- Sandown 50,000
- Calder Park 44,000
Horse racing
- Flemington 150,000
- Caulfield 50,000
- Mooney Valley 40,000
Thats Most of them I think