is a district of Japan

Districts of Japan

The was most recently used as an administrative unit in Japan between 1878 and 1921 and is roughly equivalent to the county of the United States, ranking at the level below prefecture and above city, town or village. As of 2008, cities belong directly to prefectures and are independent from...

 in Gifu Prefecture

Gifu Prefecture

is a prefecture located in the Chūbu region of central Japan. Its capital is the city of Gifu.Located in the center of Japan, it has long played an important part as the crossroads of Japan, connecting the east to the west through such routes as the Nakasendō...

.

The district is in a mountainous region near the geographic centre of Japan. Prior to 1 February 2005, the district comprised seven small communities, but on that day six of them merged into the expanded city of Takayama

Takayama, Gifu

is a city located in Gifu, Japan. As of July, 2011 the city has an estimated population of 92,369. The total area is .Takayama was settled as far back as the Jōmon period. Takayama is best known for its inhabitants' expertise in carpentry. It is believed carpenters from Takayama worked on the...

. Ōno district now contains only the village of Shirakawa, which is declining to merge with any municipality.

As of July 2011, and counting only the village of Shirakawa, the district has an estimated population of 1,734. The total area is 356.55 km².

The district has only one village left

• Shirakawa
  Shirakawa, Gifu (village)
  is a village located in Ōno District, Gifu Prefecture, Japan. It is best known for being the site of Shirakawa-gō, a small, traditional village showcasing a style of buildings called gasshō-zukuri....
  
  

District timeline

• April 1, 1950 - The district acquired the villages of Asahi
  Asahi, Gifu
  was a village located in Ōno District, Gifu, Japan.On February 1, 2005 Asahi, along with the town of Kuguno, and the villages of Kiyomi, Miya, Nyūkawa, Shōkawa and Takane, all from Ōno District, the town of Kokufu, and the village of Kamitakara, from Yoshiki District, was merged into the expanded...
  
   and Takane
  Takane, Gifu
  was a village located in Ōno District, Gifu, Japan.On February 1, 2005 Takane, along with the town of Kuguno, and the villages of Asahi, Kiyomi, Miya, Nyūkawa and Shōkawa, all from Ōno District, the town of Kokufu, and the village of Kamitakara, from Yoshiki District, was merged into the expanded...
  
   from now defunct Mashita District
  Mashita District, Gifu
  was a district located in Gifu, Japan. All towns and villages in the district merged to form the city of Gero on March 1, 2004, and the district no longer exists as an independent entity....
  
  .
• On February 1, 2005 - The towns and villages of Asahi
  Asahi, Gifu
  was a village located in Ōno District, Gifu, Japan.On February 1, 2005 Asahi, along with the town of Kuguno, and the villages of Kiyomi, Miya, Nyūkawa, Shōkawa and Takane, all from Ōno District, the town of Kokufu, and the village of Kamitakara, from Yoshiki District, was merged into the expanded...
  
  , Kiyomi
  Kiyomi, Gifu
  was a village located in Ōno District, Gifu, Japan.On February 1, 2005 Kiyomi, along with the town of Kuguno, and the villages of Asahi, Miya, Nyūkawa, Shōkawa and Takane, all from Ōno District, the town of Kokufu, and the village of Kamitakara, from Yoshiki District, was merged into the expanded...
  
  , Kuguno
  Kuguno, Gifu
  was a town located in Ōno District, Gifu, Japan.On February 1, 2005 Kuguno, along with the villages of Asahi, Kiyomi, Miya, Nyūkawa, Shōkawa and Takane, all from Ōno District, the town of Kokufu, and the village of Kamitakara, from Yoshiki District, was merged into the expanded city of Takayama and...
  
  , Miya
  Miya, Gifu
  was a village located in Ōno District, Gifu, Japan.On February 1, 2005 Miya, along with the town of Kuguno, and the villages of Asahi, Kiyomi, Nyūkawa, Shōkawa and Takane, all from Ōno District, the town of Kokufu, and the village of Kamitakara, from Yoshiki District, was merged into the expanded...
  
  , Nyūkawa
  Nyukawa, Gifu
  was a village located in Ōno District, Gifu, Japan.On February 1, 2005 Nyūkawa, along with the town of Kuguno, and the villages of Asahi, Kiyomi, Miya, Shōkawa and Takane, all from Ōno District, the town of Kokufu, and the village of Kamitakara, from Yoshiki District, was merged into the expanded...
  
  , Shōkawa
  Shokawa, Gifu
  was a village located in Ōno District, Gifu Prefecture, Japan.On February 1, 2005 Shōkawa, along with the town of Kuguno, and the villages of Asahi, Kiyomi, Miya, Nyūkawa and Takane, all from Ōno District, the town of Kokufu, and the village of Kamitakara, from Yoshiki District, was merged into the...
  
   and Takane
  Takane, Gifu
  was a village located in Ōno District, Gifu, Japan.On February 1, 2005 Takane, along with the town of Kuguno, and the villages of Asahi, Kiyomi, Miya, Nyūkawa and Shōkawa, all from Ōno District, the town of Kokufu, and the village of Kamitakara, from Yoshiki District, was merged into the expanded...
  
   merged into the expanded city of Takayama
  Takayama, Gifu
  is a city located in Gifu, Japan. As of July, 2011 the city has an estimated population of 92,369. The total area is .Takayama was settled as far back as the Jōmon period. Takayama is best known for its inhabitants' expertise in carpentry. It is believed carpenters from Takayama worked on the...
  
  .