was a district located in Niigata, Japan. The district was founded in 1878, when the former Kubiki District split into Higashikubiki District, Nakakubiki District, and Nishikubiki District. At the time of founding, the district covered most of the city of Jōetsu (excluding the divisions of Yasuzuka, Utakawa, Ōshima, and Maki from Higashikubiki District, and the division of Nadachi from Nishikubiki District), the city of Myōkō, and parts of the city of Kashiwazaki. The district seat was located at the village of Takagi (now the city of Jōetsu). As of 2003, the district had an estimated population of 70,229 and a density of 104.35 persons per km2. The total area was 673.01 km2. History In 1911 - the town of Takada was elevated to city status. On June 1, 1954 - both the cities of Naoetsu and Arai were founded by merging with other municipalities. On January 1, 2005 - the towns of Itakura, Kakizaki, Ōgata and Yoshikawa, and the villages of Kiyosato, Kubiki, Nakagō and Sanwa, along with the town of Yasuzuka, the villages of Maki, Ōshima and Uragawara (all from Higashikubiki District), and the town of Nadachi (from Nishikubiki District), were merged into the expanded city of Jōetsu. On April 1, 2005 - the town of Myōkōkōgen, and the village of Myōkō were absorbed into the expanded city of Arai and was later renamed the city to Myōkō at the same time. Nakakubiki District was dissolved as a result of this merger. Former districts of Niigata Prefecture