Dungeon Instances

Instance Name	Lvl Range	Enter Through... (region)	Max Players
Ragefire Chasm	13 - 18	Orgrimmar	10
Wailing Caverns	17 - 24	The Barrens	10
Deadmines	17 - 26	Westfall	10
Shadowfang Keep	22 - 30	Silverpine Forest	10
Stockades	24 - 32	Stormwind	10
Blackfathom Depths	24 - 32	Ashenvale Forest	10
Gnomeregan	29 - 38	Dun Morogh	10
Razorfen Kraul	29 - 38	The Barrens	10
Scarlet Monastery	34 - 45	Tirisfal Glades	10
Razorfen Downs	37 - 46	The Barrens	10
Uldaman	41 - 51	Badlands	10
Zul'Farrak	44 - 54	Tanaris	10
Maraudon	46 - 55	Desolace	10
The Sunken Temple	50 - 60	Swamp of Sorrows	10
Blackrock Depths	52 - 60	Burning Steppes / Searing Gorge	10
Zul'Gurub	55 - 60	Stranglethorn Vale	20
Dire Maul	55 - 60	Ferelas	5
Blackrock Spire	55+	Burning Steppes / Searing Gorge	10
Scholomance	58 - 60	Western Plaguelands	5
Stratholme	58 - 60	Eastern Plaguelands	5
Molten Core	60+	Burning Steppes / Searing Gorge	40
Onyxia's Lair	60+	Dustwallow Marsh	40
Blackwing Lair	60+	Burning Steppes / Searing Gorge	40
Naxxramas	60+	Eastern Plaguelands	40
Ruins of Ahn'Qiraj	60+	Silithus	20
Temple of Ahn'Qiraj	60+	Silithus	40

Battlegrounds

Battleground	Lvl Range	Enter Through.. (region)	Numbers
Warsong Gulch	10 - 60	Ashenvale Forest (Alliance) / The Barrens (Horde)	5 - 10 per side
Arathi Basin	21 - 60	Arathi Highlands	15 per side
Alterac Valley	51 - 60	Alterac Mountains	20 - 40 per side