Korostyshiv Raion

Korostyshiv Raion (Коростишівський район) was a raion (district) of Zhytomyr Oblast, northern Ukraine. Its administrative centre was located at Korostyshiv. The raion covered an area of 973.9 km2. The raion was abolished on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Zhytomyr Oblast to four. The area of Korostyshiv Raion was merged into Zhytomyr Raion. The last estimate of the raion population was