In Dazai-fu, koaza (small administrative unit [of a village]) representing geographical names such as `Shishinden' (hall for state ceremonies), `dairi' (Imperial Palace), `Suzaku-mon Gate' still remained, showing that `the place for the emperor' was in Dazai-fu.
太宰府には「紫宸殿」「内裏」「朱雀門」といった地名小字（あざ）が遺存し、太宰府に「天子の居処」のあったことをうかがわせる。