Asian equities were mostly in the red on Wednesday amid mounting geopolitical risks in the region and rising expectations that the Federal Reserve would tighten monetary policy next week.

The Japanese benchmark closed down 0.47 percent or 90.1 points at 19,254, its third straight session of losses. Japan's fourth-quarter gross domestic product was revised up to 1.2 percent from the preliminary figure of 1 percent, as capital expenditure grew at its fastest pace in three years.