沛県
Liu Bang was born during the late years of the Warring States period; his parents' are only remembered as "Liu Taigong" (劉太公; lit. "Old Sir Liu") and "Liu Ao" (劉媪; lit. "Old Madam Liu") His family was from Zhongyang () (Feng () district, Pei County ()) in the state of Chu. According to legend, Liu Bang was conceived after Liu Ao encountered a dragon during a rainstorm.