The kings of the Yamato Kingdom called themselves "Wakokuo" or "Wao" (King of Wa) when dealing with foreign countries such as China or the Korean kingdoms, and "Ame-no-shita Shiroshimesu Okimi" (literally Great King of all that is under Heaven), "Okimi" (Great King) or "Okiminushi" (Great Lord) domestically.
ヤマト王権の王は中華王朝や朝鮮半島諸国など対外的には「倭国王」「倭王」と称し、国内向けには「治天下大王」「大王」「大公主」などと称していた。