Shirota 【城田】5 The Japanese surnames etymology dictionary.
Nara-ken · Shizuoka-ken · Saitama-ken . Korean type . Originated in Shanxi County, Longhwa Province, Gansu Province, People's Republic of China. Use a letter similar to Xianxi. There is a record of naturalization on Toukyou-to Hachiouji-shi on March 3, 1983. The real name is Li. 李 reference.