Nizhyn Raion
Borzna Raion was founded in 1923. Its area made up 5% of the oblast territory. The region was situated almost at the center of the oblast and bordered on Mena Raion, Sosnytsia Raion, Korop Raion, Bakhmach Raion, Ichnia Raion, Nizhyn Raion, and Kulykivka Raion.