[cosmotron]

It does mention Kowloon:

> [...] in nearly every other respect both the imagery and soulful mood depicted in the film mirror reality very closely – especially when contrasting the modern skyscrapers of Central with some of the older neighbourhoods in Sheung Wan and Kowloon.

[KMag]

The Kowloon District is much bigger than the (former) Kowloon Walled City.