 The boundaries are not precise as it is not currently an official area, but the area of boundaries of the Australian Bureau of Statistics Statistical Area Level 2 'Melbourne' represents the commonly understood area of what is usually meant by 'the CBD' or 'the city'; this includes the Hoddle Grid, plus the area of parallel streets just to the north up to Victoria Street including the Queen Victoria Market, but not the Flagstaff Gardens, and the area between Flinders Street and the Yarra river.The Central City is the core of Greater Melbourne's metropolitan area, and is a major financial centre in Australia and the Asia-Pacific region.It is home to Melbourne's famed alleyways and arcades and is renowned for its distinct blend of contemporary and Victorian architecture, and home to five of the six tallest buildings in Australia.