Displays at the Chinese University of Hong Kong include antique potteries indicating that there might have been settlements in the area as early as the Jin Dynasty (265-420) [REF].
The heart of the present-day Mong Kok is along Argyle Street near Sai Yeung Choi Street whilst the proper Mong Kok used to be to the north, near the present-day Mong Kok East Station.