Asia traded mixed on Thursday amid lingering uncertainty over key central bank policy meetings next week, while markets in China, Taiwan and South Korea were closed for public holidays.

Japan's slipped 209.23 points, or 1.26 percent, to 16,405.01, while the Topix index fell 13.63 points, or 1.04 percent, to 1,301.11 as stocks came under pressure from a relatively stronger yen and growing uncertainty over the Bank of Japan's (BOJ) monetary policy meeting due next week.