The five kings of Wa refer to San (讃), Chin (珍), Sai (済), Ko (興) and Bu (武) who paid tribute to the Eastern Jin and Song (Southern Dynasty) in the period of the Northern and Southern Dynasties (China) in 5th century and received sakuho (homage by Chinese emperors) as 'King of Wa'.
倭の五王（わのごおう）とは、5世紀に、南北朝時代(中国)の東晋や宋(南朝)に朝貢して「倭国王」などに冊封された倭国の五人の王、すなわち讃、珍、済、興、武をいう。