Hong Kong shares have closed 0.51 per cent lower.
The benchmark Hang Seng Index shed 97.68 points on Monday to close at 18,897.45 on turnover of HK$37.47 billion ($A4.82 billion).
Dealers were cautiously awaiting the outcome of a European Union summit at the end of the week.
Chinese shares closed down 1.63 per cent. The Shanghai Composite Index, which covers both A and B shares, lost 36.77 points to 2,224.11 on turnover of 54.8 billion yuan ($A8.58 billion).