Ōita Prefecture in the context of "Miyazaki Prefecture"

Fukuoka Prefecture (福岡県, Fukuoka-ken; Japanese pronunciation: [ɸɯ̥.kɯꜜ.o.ka, -kɯ.o.kaꜜ.keɴ]) is a prefecture of Japan located on the island of Kyūshū. Fukuoka Prefecture has a population of 5,109,323 (1 June 2019) and has a geographic area of 4,986 km (1,925 sq mi). Fukuoka Prefecture borders Saga Prefecture to the southwest, Kumamoto Prefecture to the south, and Ōita Prefecture to the southeast.

Fukuoka is the capital and largest city of Fukuoka Prefecture, and the largest city on Kyūshū, with other major cities including Kitakyushu, Kurume, and Ōmuta. Fukuoka Prefecture is located at the northernmost point of Kyūshū on the Kanmon Straits, connecting the Tsushima Strait and the Seto Inland Sea across from Yamaguchi Prefecture on the island of Honshu, and extends south towards the Ariake Sea.

The Seto Inland Sea (瀬戸内海, Seto Naikai), sometimes shortened to the Inland Sea, is the body of water separating Honshu, Shikoku, and Kyushu, three of the four main islands of Japan. It serves as a waterway connecting the Pacific Ocean to the Sea of Japan. It connects to Osaka Bay and provides a sea transport link to industrial centers in the Kansai region, including Osaka and Kobe. Before the construction of the San'yō Main Line, it was the main transportation link between Kansai and Kyūshū.

Yamaguchi, Hiroshima, Okayama, Hyōgo, Osaka, Wakayama, Kagawa, Ehime, Tokushima, Fukuoka, and Ōita prefectures have coastlines on the Seto Inland Sea; the cities of Hiroshima, Iwakuni, Takamatsu, and Matsuyama are also located on it.

Usa Jingū (宇佐神宮), also known as Usa Hachimangū (宇佐八幡宮), is a Shinto shrine in the city of Usa in Ōita Prefecture in Japan. Emperor Ojin, who was deified as Hachiman-jin (the tutelary god of warriors), is said to be enshrined in all the sites dedicated to him; and the first and earliest of these was at Usa in the early 8th century. The Usa Jingū has long been the recipient of Imperial patronage; and its prestige is considered second only to that of Ise.

Kumamoto Prefecture (熊本県, Kumamoto-ken; Japanese pronunciation: [kɯ.ma.mo.to, -toꜜ.keɴ]) is a prefecture of Japan located on the island of Kyūshū. Kumamoto Prefecture has a population of 1,683,115 (as of 1 October 2025) and has a geographic area of 7,409 square kilometres (2,861 sq mi). Kumamoto Prefecture borders Fukuoka Prefecture to the north, Ōita Prefecture to the northeast, Miyazaki Prefecture to the southeast, and Kagoshima Prefecture to the south.

Kumamoto is the capital and largest city of Kumamoto Prefecture, with other major cities including Yatsushiro, Amakusa, and Tamana. Kumamoto Prefecture is located in the center of Kyūshū on the coast of the Ariake Sea, across from Nagasaki Prefecture, with the mainland separated from the East China Sea by the Amakusa Archipelago. Kumamoto Prefecture is home to Mount Aso, the largest active volcano in Japan and among the largest in the world, with its peak 1,592 metres (5,223 ft) above sea level.

Buzen Province (豊前国, Buzen no Kuni; Japanese pronunciation: [bɯꜜ.(d)zeɴ, -(d)zen no kɯ.ɲi]) was a province of Japan in the area of northeastern Kyūshū, corresponding to part of southeastern Fukuoka Prefecture and northwestern Ōita Prefecture. Buzen bordered on Bungo to the south, and Chikuzen to the north and west. Its abbreviated form name was Hōshū (豊州) (a name which it shared with Bungo Province), although it was also called Nihō (二豊). In terms of the Gokishichidō system, Buzen was one of the provinces of the Saikaidō circuit. Under the Engishiki classification system, Buzen was ranked as one of the "superior countries" (上国) in terms of importance, and one of the "far countries" (遠国) in terms of distance from the capital.

Bungo Province (豊後国, Bungo no Kuni; Japanese pronunciation: [bɯꜜŋ.ɡo (no kɯ.ɲi), bɯꜜŋ.ŋo-]) was a province of Japan in the area of eastern Kyūshū, corresponding to most of modern Ōita Prefecture, except what is now the cities of Nakatsu and Usa. Bungo bordered on Hyūga to the south, Higo and Chikugo to the west, and Chikuzen and Buzen to the north. Its abbreviated form was Hōshū (豊州), although it was also called Nihō (二豊). In terms of the Gokishichidō system, Bungo was one of the provinces of the Saikaidō circuit. Under the Engishiki classification system, Bungo was ranked as one of the "superior countries" (上国) in terms of importance, and one of the "far countries" (遠国) in terms of distance from the capital.

Usa (宇佐市, Usa-shi) is a city located in Ōita Prefecture, Japan. As of 30 November 2023, the city had an estimated population of 52,808 in 26026 households, and a population density of 120 persons per km. The total area of the city is 439.05 km (169.52 sq mi). It is notable for Usa Jingū, the head shrine of all 40,000 Hachiman shrines across Japan.