Guanghan廣漢

Commandery in eastern Sichuan along the upper Yangtze; part of Yi Province and home region of several Shu officials.

Mountainous commandery in northern Yi Province; scene of the Battle of Baxi and campaigns between Liu Bei and Cao Cao's forces.

Coastal commandery in Qing Province; home region of Kong Rong, Zheng Xuan, and other scholars and officials.

Southern commandery in the far south-east; place of Yu Fan's exile and death, on the frontier between Wu and the southern tribes.

Commandery capital in Jing Province, serving as Huang Zhong's base during the Three Kingdoms period. Located in modern Hunan Province.

Commandery in Yan Province, home commandery of Cao Cao. Located in modern Henan Province, it was a crucial base for Cao Cao's early campaigns.