was an ancient province of Japan, in the area of Chikuzen and Chikugo provinces.Satow, Ernest. (1874). "The Geography of Japan," This province was located within Fukuoka Prefecture.Nussbaum, Louis-Frédéric. (2005). "Chikuzen" in , "Chikugo" at . It was sometimes called .
Notes
References Asiatic Society of Japan. (1874). Transactions of the Asiatic Society of Japan. Yokohama: The Society. OCLC 1514456 Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ; OCLC 58053128