Melba is a residential suburb in the Belconnen district of Canberra, located within the Australian Capital Territory, Australia. The suburb of Melba is named after Dame Nellie Melba, the first internationally recognised Australian opera soprano. The streets are named after composers, singers and other musically notable Australians or people with strong Australi…Melba is a residential suburb in the Belconnen district of Canberra, located within the Australian Capital Territory, Australia. The suburb of Melba is named after Dame Nellie Melba, the first internationally recognised Australian opera soprano. The streets are named after composers, singers and other musically notable Australians or people with strong Australian connections.