Severodonetsk district is located in the western part of Luhansk region, on the historical and ethnographic territory of Slobozhanshchyna. The Seversky Donets River flows within the district. Near Lysychansk there is a geological natural monument "Congresses (Helmersen) ravine".
The administrative center of the Severodonetsk district is the city of Severodonetsk. The administration of the Luhansk region is temporarily located in it. The area of the district is more than 2685 square kilometers. The population of the district exceeds 375 thousand people.
The Severodonetsk district consists of 84 settlements, which are united into 6 territorial hromadas: Gorska, Kreminska, Lysychanska, Popasnyanska, Rubizhanska and Severodonetsk city amalgamated hromadas.