was a
district
A district is a type of administrative division that, in some countries, is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or counties, several municipalities, subdivisions o ...
located in
Niigata Prefecture
is a Prefectures of Japan, prefecture in the Chūbu region of Honshu of Japan. Niigata Prefecture has a population of 2,227,496 (1 July 2019) and is the List of Japanese prefectures by area, fifth-largest prefecture of Japan by geographic area ...
,
Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
.
History
* On 1954 - areas now covering
Ojiya were merged and elevated to city status.
* On November 1, 2004 - towns of
Horinouchi and
Koide, and the villages of
Hirokami,
Irihirose,
Sumon and
Yunotani were merged to create the city of
Uonuma
is a city located in Niigata Prefecture, Japan. , the city had an estimated population of 35,027 in 13,289 households, and a population density of 37 persons per km2. Its total area is . The city is famous for its ''koshihikari'' rice, which comm ...
; leaving the village of
Kawaguchi the only municipality within the district.
* On March 31, 2010 - the town of
Kawaguchi was merged into the expanded city of
Nagaoka. Kitauonuma District was dissolved as the result of this merger.
Former districts of Niigata Prefecture
{{Niigata-geo-stub