Military districts of Russia since 2016
BLUE-orthern Fleet Joint Strategic Command

YELLOW-Eastern Military District

GREEN- Central Military District

BROWN-Southern Military District

RED- Western Military District

Putin to Add 20 More Military Formations to the Western Military District. But actually, he needs more to fight NATO after Russia Attacks Ukraine before October this year.

https://www.msn.com/en-us/news/world/russia-plans-to-build-up-troops-near-western-border-to-combat-increasing-threat-from-nato/ar-AAKzs7s