Dazaifu (太宰府市, Dazaifu-shi) is a city located in Fukuoka Prefecture, Japan. Nearby cities include Ōnojō and Chikushino. Although mostly mountainous, it does have arable land used for paddy fields and market gardening.
As of May 31, 2011, the city has an estimated population of 70,587 with 29,355 households and a population density of 2,386.31 persons per km². The total area is 29.58 km².
The city was officially founded on April 1, 1982, although it has been important historically for more than a thousand years.