南阳市
Gan Ning was from Linjiang County (臨江縣), Ba Commandery (巴郡), which is in present-day Zhong County, Chongqing. His ancestral home was actually in Nanyang, Henan; his ancestors migrated to Ba Commandery and settled there. When he was still a youth, he accepted an offer to serve as an accounting assistant in the local commandery office. He resigned and went home after serving for a short period of time.