Blizzard Entertainment published on the European thread of its official forum
According to the developers, the above division is due to the difficulties caused by the introduction of the Cyrillic alphabet. User reaction to Blizzard's decision was mostly negative. Players from Europe did not like the unification into a single structure, as this would complicate the search for a group. Not all users speak English, so you will have to carefully select teams for raids that require coordinated actions of all fighters.
Blizzard representatives also mentioned that they will create several worlds for users - PvP, PvE and with an emphasis on a role-playing component. Reminder: World of Warcraft Classic servers will be
Source: 3dnews.ru