#1 - Nov. 10, 2010, 8:21 p.m.
Blizzard Post

We’re pleased to announce that during maintenance this week region-wide battleground matchmaking was rolled out in Europe. From now on, all realms for our European players are matched together for battlegrounds. While your teams will continue to consist only of players from your language region, you may meet opponents from all over Europe. Also, there are now four larger groups for dungeon finder use. These groups include the following realms:

Group one: Battlegroups Blackout and Cataclysm
Agamaggan
Aggramar
Al'Akir
Arathor
Argent Dawn
Aszune
Azjol-Nerub
Bladefist
Bloodhoof
Bloodscalp
Burning Blade
Burning Legion
Crushridge
Daggerspine
Deathwing
Doomhammer
Draenor
Dragonblight
Dragonmaw
Dunemaul
Emerald Dream
Sunstrider
Twilight's Hammer
Zenedar

Group two: Battlegroups Frenzy, Rampage and Cyclone
Balnazzar
Bloodfeather
Darksorrow
Defias Brotherhood
Earthen Ring
Frostwhisper
Genjuros
Haomarush
Hellscream
Laughing Skull
Lightning's Blade
Magtheridon
Neptulon
Nordrassil
Quel'Thalas
Ragnaros
Ravencrest
Runetotem
Shadowsong
Shattered Hand
Silvermoon
Skullcrusher
Spinebreaker
Stormrage
Stormreaver
Stormscale
Sylvanas
Terenas
The Maelstrom
The Venture Co
Thunderhorn
Turalyon
Twisting Nether
Vashj

Group three: Battlegroups Reckoning, Cruelty and Emberstorm
Ahn'Qiraj
Alonsus
Anachronos
Azuremyst
Blade's Edge
Bronze Dragonflight
Bronzebeard
Burning Steppes
Chromaggus
Darkmoon Faire
Darkspear
Dentarg
Drak'thul
Emeriss
Executus
Hakkar
Khadgar
Kor'gall
Kul Tiras
Lightbringer
Mazrigos
Moonglade
Scarshield Legion
Steamwheedle Cartel
Talnivarr
Terokkar
Trollbane
Xavius

Group four: Battlegroups Misery and Vindication
Aerie Peak
Auchindoun
Boulderfist
Chamber of Aspects
Eonar
Frostmane
Ghostlands
Grim Batol
Hellfire
Jaedenar
Karazhan
Kazzak
Kilrogg
Nagrand
Outland
Ravenholdt
Saurfang
Shattered Halls
Sporeggar
Tarren Mill
The Sha'tar
Vek'nilash
Wildhammer