variant of 遨[ao2]

(loanword from Mongolian) road or boundary marker made of piled up earth or stones, formerly worshipped as the dwelling place of spirits

Ao Guang, Dragon King of the East Sea, character in Journey to the West 西遊記|西游记[Xi1 you2 Ji4]

Aohan banner or Aokhan khoshuu in Chifeng 赤峰[Chi4 feng1], Inner Mongolia

Dragon King of the West Sea, Ao Run, also Ao Ji (敖吉)