was a district located in Toyama Prefecture, Japan. As of 2003, the district had an estimated population of 57,362 and a density of 747.39 persons per km2. The total area was 76.75 km2. Before the dissolution on October 31, 2005, the district had 3 towns, and 1 village. Daimon Kosugi Ōshima Shimo Before the dissolution, the district was surrounded by the city of Toyama to the east, the city of Takaoka to the West and South (the city of Tonami also surrounds parts of the southern border), and the city of Shinminato to the north. History When the municipal reorganization was created in 1878, the district seat was located at the town of Takaoka (later became the city of Takaoka). When the Regional Office was placed in 1942, The Imizu Regional Office seat was located at the town of Kosugi. On November 1, 2005, the towns of Daimon, Kosugi and Ōshima, and the village of Shimo were merged with the city of Shinminato to create the city of Imizu. Imizu District dissolved as a result of this merger. District Timeline 1889 (5 towns, 49 villages) At the time of enforcing the city status, the town of Takaoka gained city status. At the time of enforcing the town and village status, the district formed the town of Himi, Shinminato, Kosugi, Daimon, and Fushigi along with 49 villages. April 1, 1896 - The town of Himi and 20 villages split and created Himi District. (4 towns, 29 villages) January 1, 1915 - The village of Uchidemotoe was renamed to Motoe. May 15, 1917 - The village of Kakekaihatsu was merged into the city of Takaoka. (4 towns, 28 villages) August 1, 1925 - The village of Shimonoseki was merged into the city of Takaoka. (4 towns, 27 villages) June 1, 1928 - The villages of Yokota and Saijo were merged into the city of Takaoka. (4 towns, 25 villages) August 1, 1933 - The village of Nikami was merged into the city of Takaoka. (4 towns, 24 villages) December 1, 1940 - The village of Makino was merged into the town of Shinminato. (4 towns, 23 villages) April 1, 1942 - The town of Fushiki, and the villages of Kumamachi, Moriyama, No, Sano, and Futazuka were merged into the city of Takaoka. (3 towns, 18 villages) June 8, 1942 - The village of Hashishimojo was merged into the town of Kosugi. (3