On exercises, Far East is the major area of operations, with a major joint command (ОСК Восток) and as a part of it the Pacific Fleet.
This leads to all sorts of interesting exercises being conducted in the area next to Russia/DPRK border, such as this sub on sub one:
https://function.mil.ru/news_page/co...2142335@egNews
(Akula-II vs Delta-III, 3 practical torps launched, Akula-II "won")