was an old province of Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 in northern Kyūshū

Kyushu

is the third largest island of Japan and most southwesterly of its four main islands. Its alternate ancient names include , , and . The historical regional name is referred to Kyushu and its surrounding islands....

 in the area of Fukuoka Prefecture

Fukuoka Prefecture

is a prefecture of Japan located on Kyūshū Island. The capital is the city of Fukuoka.- History :Fukuoka Prefecture includes the former provinces of Chikugo, Chikuzen, and Buzen....

 and Ōita Prefecture

Oita Prefecture

is a prefecture of Japan on Kyūshū Island. The prefectural capital is the city of Ōita.- History :Around the 6th century Kyushu consisted of four regions: Tsukushi-no-kuni 筑紫国, Hi-no-kuni 肥国, and Toyo no kuni...

. It was sometimes called , with Bungo Province

Bungo Province

was a province of Japan in eastern Kyūshū in the area of Ōita Prefecture. It was sometimes called , with Buzen Province. Bungo bordered Buzen, Hyūga, Higo, Chikugo, and Chikuzen Provinces.-History:...

. Buzen bordered on Bungo

Bungo Province

was a province of Japan in eastern Kyūshū in the area of Ōita Prefecture. It was sometimes called , with Buzen Province. Bungo bordered Buzen, Hyūga, Higo, Chikugo, and Chikuzen Provinces.-History:...

 and Chikuzen

Chikuzen Province

was an old province of Japan in the area that is today part of Fukuoka Prefecture in Kyūshū. It was sometimes called , with Chikugo Province. Chikuzen bordered Buzen, Bungo, Chikugo, and Hizen Provinces....

 Provinces.

The ruins of the ancient capital of the province were found near Toyotsu, Fukuoka

Toyotsu, Fukuoka

was a town located in Miyako District, Fukuoka, Japan.On March 20, 2006 Toyotsu was merged with the towns of Katsuyama and Saigawa, all from Miyako District, to form the new town of Miyako ....

. The castle town of Kokura

Kokura

is an ancient castle town and the center of Kitakyūshū, Japan, guarding, via its suburb Moji, the Straits of Shimonoseki between Honshū and Kyūshū. Kokura is also the name of the penultimate station on the southbound Sanyo Shinkansen line, which is owned by JR Kyūshū and an important part of the...

 was also in Buzen, and a seat of many feudal rulers.

After the abolition of the clan system in 1871 Buzen Province became Kokura Prefecture for four years until it was absorbed by Fukuoka Prefecture

Fukuoka Prefecture

is a prefecture of Japan located on Kyūshū Island. The capital is the city of Fukuoka.- History :Fukuoka Prefecture includes the former provinces of Chikugo, Chikuzen, and Buzen....

in 1876.