Ping’a (平阿) was a county in Chu State, in Yang Province, located north of modern Huai’an in Anhui. Jiang Ji was born there. He began as a local official and went on to serve Cao Cao and the state of Cao Wei, eventually becoming Grand Commandant (太尉) and taking part in the 249 coup alongside Sima Yi.
Ping'a 平阿
County in Chu State, Yang Province; birthplace of Jiang Ji.