Luhansk Oblast

Luhansk Oblast is the northernmost of Ukraine's two Donbas oblasts and the most completely occupied territory in the war. Russia controls more than 99% of the oblast. On 21 April 2026, General Gerasimov claimed Russia had 'fully completed' the occupation of Luhansk Oblast, citing 1,700 square kilometres seized in 2026 across eighty settlements — his fourth such proclamation on Luhansk. The Institute for the Study of War verifies roughly 340 square kilometres of 2026 gains, records no Russian control of Myman, and finds a net Russian territorial loss since 1 March.

The oblast borders Russia's Belgorod, Voronezh, and Rostov oblasts to the east and north. Luhansk city, the regional capital, fell under separatist control in 2014 and has been under Russian administration since 2022. Russia formally annexed the oblast in September 2022 alongside Donetsk, Zaporizhzhia, and Kherson — a claim condemned by 141 UN member states in a 2023 General Assembly vote and recognised only by Russia itself. The pre-war population was approximately 2.1 million; substantial displacement has reduced the resident population significantly.

The repeated 'liberation' proclamations are interpreted as attempts to lock in a diplomatic baseline ahead of any Ceasefire talks. Ukraine and Western governments do not recognise Russian sovereignty; the Luhansk Oblast administration operates in exile from Ukrainian-controlled territory, and Ukraine has continued striking Russian air defence targets inside the oblast throughout 2026.