The "Prince of Huaiyang" refers to a title held by a member of the royal family during the Han Dynasty in ancient China. This title was associated with the region of Huaiyang, which is located in present-day Henan Province. The prince often had administrative responsibilities and was expected to govern the area effectively. One notable figure who held this title was Liu An, a grandson of Emperor Gaozu of the Han. He is known for his contributions to Daoism and for promoting cultural and intellectual pursuits in his domain. His legacy includes the famous text, the Wenzi, which reflects his philosophical ideas.