This derives from the different jurisdictions of the city commissioner and the temple and shrine commissioner in the Edo Period, and the divisions according to occupation can be seen on maps in placenames that have survived from that period.
古くは江戸時代の寺社奉行と町奉行の管轄の違いから来ているともいわれ、現在も地図上でその生業とする地域分けも江戸時代の名残が多く見られる。