The Hang Seng Index rose 46 points, or 0.19 percent, to open at 24,107 points on Tuesday.

Mainland stocks opened mixed, with the benchmark Shanghai Composite Index down 0.02 percent to open at 3,388 points.

The Shenzhen Component Index opened 0.14 percent higher at 10,177 points.

Interest rate decisions by a host of central banks will be the prime focus for investors this week with the Bank of Japan's verdict expected later on Tuesday.

At the end of its two-day policy meeting, the BOJ is widely expected to maintain short-term interest rates at 0.5 percent, but markets will be keen on the institution's outlook on quantitative tightening.

In early trading, Japan's Nikkei edged up 0.5 percent, while the yen was slightly weaker at 144.96 per US dollar. (Agencies)