Why this is valuable
Comparable domains sold:
melbourne.com more than $25,000 (USD)
melbourne.net.au $8,466 (USD)
melbourne.me $1,509 (USD)
Another extension sold with high price: melbourne.com with a different extension sold for over $25000.
Short: melbourne is 15 characters or less.
Extensions taken: The .com and 27 other extensions of melbourne are in use.