12th Special Forces Brigade "Azov"
Assault infantry formation, most associated with the 2022 defence of Mariupol.
Broad area of activity
Historically eastern Ukraine, most associated with the 2022 defence of Mariupol and the Azov coast.
Notable history
Formed in 2014 as a volunteer battalion during the Donbas war and soon absorbed into the National Guard. Its most defining episode was the prolonged 2022 defence of Mariupol, ending in the siege of the Azovstal steelworks. The formation was later reconstituted and expanded to brigade size. It carries a heavily politicised international profile that both sides use for information purposes.
Strengths
Strong unit cohesion and recruitment pull; experienced in urban and defensive fighting.
Limitations
High-profile status draws disproportionate attention; the experienced original core suffered heavy losses at Mariupol.
Documented equipment
Reported & historical equipment associations
Lineage & institutional history
Predecessors: Azov Battalion (volunteer · 2014) · Azov Regiment (National Guard · 2014–2023)
Volunteer battalion (2014) absorbed into the National Guard the same year; expanded to brigade as the 12th Special Forces Brigade in 2023; core formation of the National Guard's 1st Corps "Azov" since 2025.
Related locations
Mariupol: Defence of Mariupol and the Azovstal works, February–May 2022.
Key events
Siege and fall of Mariupol
The defence of Mariupol ends at the Azovstal steelworks after months of encirclement; the city is largely destroyed.