BEIJING, Sept. 25 (Xinhua) -- Chinese banks held 255.5 trillion yuan (37.2 trillion U.S. dollars) in onshore assets by the end of August, said China's top bank and insurance regulator Tuesday.

The volume saw a 6.9-percent rise year on year, according to the China Banking and Insurance Regulatory Commission.

Lenders' onshore liabilities went up 6.5 percent to reach 234.8 trillion yuan by the end of August, said the regulator.

The combined onshore assets of China's "big five" lenders -- the Industrial and Commercial Bank of China, Agricultural Bank of China, Bank of China, China Construction Bank and Bank of Communications -- came in at 90.9 trillion yuan, 35.6 percent of the total assets in the industry.

China's city commercial banks recorded 32.9 trillion yuan in total onshore assets by the end of August, up 7.9 percent year on year, accounting for 12.9 percent of the industry's total.