Bucha Raion is a raion (district) of Kyiv Oblast, Ukraine. It was created in July 2020 as part of the reform of administrative divisions of Ukraine. Its administrative center is the town of Bucha. One abolished raion, Borodianka Raion, parts of abolished Kyiv-Sviatoshyn and Makariv Raions, as well as Irpin Municipality and the city of Bucha, which was previously incorporated as a city of oblast significance, were merged into Bucha Raion. The population of the raion is 375,536.

Kyiv Oblast, also called Kyivshchyna, is an oblast (province) in central and northern Ukraine. It surrounds, but does not include, the city of Kyiv, which is administered as a city with special status. However, Kyiv also serves as the administrative center of the oblast. The Kyiv metropolitan area extends out from Kyiv city into parts of the oblast, which is significantly dependent on the urban economy and transportation of Kyiv.