Luhansk Oblast, also referred to as Luhanshchyna (Луганщина), is the easternmost oblast (province) of Ukraine. Its administrative center is the city of Luhansk. The oblast was established in 1938 and bore the name Voroshilovgrad Oblast until 1958 and again from 1970 to 1991. It has a population of 2,102,921.
Luhansk, also known as Lugansk, is a city in the Donbas region, eastern Ukraine. As of 2022, the population was estimated to be 397,677, making Luhansk the 12th-largest city in Ukraine.
Sievierodonetsk, also spelled Severodonetsk, is a city in Luhansk Oblast, eastern Ukraine. It is located to the northeast of the left bank of the Donets river and approximately 110 km (68 mi) to the northwest from the administrative center of the oblast, Luhansk. Sievierodonetsk faces neighbouring Lysychansk across the river. The city, whose name comes from the above-mentioned river, had a population of 99,067, making it then the second-most populous city in the oblast. Since June 2022, it has been militarily occupied and administered by Russia.
Lysychansk, is a city in Sievierodonetsk Raion, Luhansk Oblast, eastern Ukraine. It is located on the high right bank of the Donets River, approximately 115 kilometres (71 mi) from the administrative center of the oblast, Luhansk. It faces Sievierodonetsk across the river. Its population before the Russian invasion of Ukraine was approximately 93,340.
Rubizhne is a city in Luhansk Oblast, in the Donbas region of eastern Ukraine. Situated on the left bank of the Donets River near the cities of Sievierodonetsk and Lysychansk. Prior to 2020, it was a city of oblast significance, before the designation was abolished.
Popasna is a city in Sievierodonetsk Raion, Luhansk Oblast, Ukraine. It is the administrative center of Popasna urban hromada, one of the hromadas of Ukraine. In 2018, it was estimated that it had a population of 20,600 people.
Kreminna is a city in Sievierodonetsk Raion, Luhansk Oblast, eastern Ukraine. Prior to 2020, it served as the administrative center of former Kreminna Raion. Its population was estimated at 18,116, as of January 2022.
Russian separatist forces in Ukraine, primarily the People's Militias of the Donetsk People's Republic (DPR) and the Luhansk People's Republic (LPR), were pro-Russian paramilitaries in the Donbas region of eastern Ukraine. They were under the overall control of the Russian Federation. They were also referred to as Russian proxy forces. They were active during the war in Donbas (2014–2022), the first stage of the Russo-Ukrainian War. They then supported the Russian Armed Forces against the Ukrainian Armed Forces during the 2022 Russian invasion. In September 2022, Russia annexed the DPR and LPR, and began integrating the paramilitaries into its armed forces. They are designated as terrorist groups by the government of Ukraine.
The war in Donbas, or Donbas war, was a phase of the Russo-Ukrainian War in the Donbas region of Ukraine. The war began in April 2014, when a commando unit headed by Russian citizen Igor Girkin seized Sloviansk in Donetsk oblast. The Ukrainian military launched an operation against them. The war continued until subsumed by the Russian invasion of Ukraine in 2022.
The Luhansk People's Republic or Lugansk People's Republic is a republic of Russia in the occupied parts of eastern Ukraine's Luhansk Oblast, with its capital in Luhansk. The LPR was proclaimed by Russian-backed paramilitaries in 2014, and it initially operated as a breakaway state until it was annexed by Russia in 2022. The entire territory of LPR is viewed as sovereign territory of Ukraine by nearly all UN member states.
The Battle in Shakhtarsk Raion began on 16 July 2014, when the Armed Forces of Ukraine attempted to cut off the Russian backed separatists’ supply lines from Russia. Fighting broke out around the towns of Marynivka, Dmytrivka, Stepanivka, Shakhtarsk, as well as the strategic hill of Savur-Mohyla. It later spread to the cities of Snizhne and Torez. While the battle was in progress, a civilian passenger airliner, Malaysia Airlines Flight 17, was shot down near Hrabove on 17 July. Amidst a wide counter-offensive by the Russian proxy forces and their Russian backers across Donbas, government troops were forced out of Shakhtarsk Raion on 26 August.
Separate Guards Assault Battalion "Somalia" named after M. S. Tolstykh, often known as Somalia Battalion, is a military unit of Russian Ground Forces. Until January 1, 2023 it was part of so called self-proclaimed "Donetsk People's Republic" (DPR). In September 2022, with a decree of Vladimir Putin, Russia unilaterally "annexed" occupied areas of Ukraine, and after that, military units of DPR and LPR were officially incorporated in Russian Armed Forces.
Ukraine's easternmost oblasts, Donetsk, Luhansk, and Kharkiv, are the site of a theatre of operation in the ongoing Russian invasion of Ukraine.
The battle of Rubizhne was a military engagement on the eastern theatre of the 2022 Russian invasion of Ukraine. The city came under Russian control on 12 May.
The battle of Donbas was a military offensive that was part of the wider eastern Ukraine campaign of the Russian invasion of Ukraine. The offensive began on 18 April 2022 between the armed forces of Russia and Ukraine for control of the Donbas region. Military analysts consider the campaign to have been the second strategic phase of the invasion, after Russia's initial three-pronged attack into Ukraine.
The battle of Sievierodonetsk was a military engagement in the wider battle of Donbas of the eastern Ukraine campaign during the Russian invasion of Ukraine.
The battle of Popasna was a military engagement during the eastern Ukraine campaign as part of the battle of Donbas. The city came under Russian control on 7 May 2022.
The battle of the Siverskyi Donets was a series of military engagements which took place in May 2022, most notably from 5 to 13 May, on the Lyman–Sievierodonetsk front of the battle of Donbas. It was part of the wider eastern Ukraine offensive during the Russian invasion of Ukraine.
The battle of Lysychansk was a military engagement between Russia and Ukraine in the wider battle of Donbas of the eastern Ukraine campaign during the Russian invasion of Ukraine. By May 2022, Lysychansk and its twin city of Sievierodonetsk were the two largest cities of the Luhansk Oblast not under Russian control. Russian forces launched an assault on Sievierodonetsk in May where a fierce battle occurred until late June, when Ukrainian forces withdrew from the city. Fighting then continued as Russian forces started to attack Lysychansk across the Donets River.
The 111th Independent Brigade of the Territorial Defense Forces is a military formation of the Territorial Defense Forces of Ukraine in Luhansk Oblast. It is part of Operational Command East.
Ukraine 
Luhansk People's Republic 
Army of the Southeast 
