Wrath of the Lich King instances by level

Instance Name 	Abbreviations 	Zone 	Type 	Minimum Level	Suggested Level Range	Heroic Min. Level	Heroic Level Range	Bosses
Utgarde Keep 	UK, UTK 	Howling Fjord, Utgarde Keep 	5-player	58 	58-80 	80 	80-82 	Prince Keleseth, Skarvald the Constructor & Dalronn the Controller, Ingvar the Plunderer
The Nexus 	Nexus, Nex 	Borean Tundra, The Nexus 	5-player	59 	59-80 	80 	80-82 	Grand Magus Telestra, Anomalus, Ormorok the Tree-Shaper, Keristrasza, Commander Stoutbeard (Horde Heroic Only)/Commander Kolurg (Alliance Heroic Only)
Azjol-Nerub: Azjol-Nerub 	AZN, AN 	Dragonblight, Azjol-Nerub 	5-player	60 	60-80 	80 	80-82 	Krik'thir the Gatewatcher, Hadronox, Anub'arak
Ahn'kahet: The Old Kingdom	ANK, OLD, AKO, OK	Dragonblight, Azjol-Nerub 	5-player	61 	61-80 	80 	80-82 	Elder Nadox, Prince Taldaram, Jedoga Shadowseeker, Herald Volazj, Amanitar (Heroic Only)
Drak'Tharon Keep 	DTK 	Zul'Drak 	5-player	62 	62-80 	80 	80-82 	Trollgore, Novos the Summoner, King Dred, The Prophet Tharon'ja
The Violet Hold 	VH 	Dalaran 	5-player	63 	63-80 	80 	80-82 	Erekem, Moragg, Ichoron, Xevozz, Lavanthor, Zuramat the Obliterator, Cyanigosa
Gundrak 	GD 	Zul'Drak 	5-player	64 	64-80 	80 	80-82 	Slad'ran, Drakkari Colossus, Moorabi, Gal'darah, Eck the Ferocious (Heroic only)
Halls of Stone 	HOS 	Storm Peaks, Ulduar 	5-player	65 	65-80 	80 	80-82 	Maiden of Grief, Krystallus, Tribunal of Ages, Sjonnir The Ironshaper
Halls of Lightning 	HOL 	Storm Peaks, Ulduar 	5-player	67 	67-80 	80 	80-82 	General Bjarngrim, Volkhan, Ionar, Loken
The Oculus 	Occ 	Borean Tundra, The Nexus 	5-player	67 	67-80 	80 	80-82 	Drakos the Interrogator, Varos Cloudstrider, Mage-Lord Urom, Ley-Guardian Eregos
Utgarde Pinnacle 	UP 	Howling Fjord, Utgarde Keep 	5-player	67 	67-80 	80 	80-82 	Svala Sorrowgrave, Gortok Palehoof, Skadi the Ruthless, King Ymiron
The Culling of Stratholme 	Culling, COS 	Tanaris, Caverns of Time 	5-player	68 	68-80 	80 	80-82 	Meathook, Salramm the Fleshcrafter, Chrono-Lord Epoch, Mal'Ganis, Infinite Corruptor (Heroic only)
Trial of the Champion 	Champ, ToC 	Icecrown, Crusaders' Coliseum	5-player	68 	68-80 	80 	80-82 	Alliance Champions: Deathstalker Visceri, Eressea Dawnsinger, Mokra the Skullcrusher, Runok Wildmane, Zul'toreHorde Champions: Ambrose Boltspark, Colosos, Jacob Alerius, Jaelyne Evensong, Lana StouthammerArgent Champion: Argent Confessor Paletress/Eadric the PureThe Black Knight
Halls of Reflection 	HoR 	Icecrown, Icecrown Citadel 	5-player	70 	70-80 	80 	80-82 	Falric, Marwyn, The Lich King
Pit of Saron 	PoS 	Icecrown, Icecrown Citadel 	5-player	70 	70-80 	80 	80-82 	Forgemaster Garfrost, Krick & Ick, Scourgelord Tyrannus
The Forge of Souls 	FoS 	Icecrown, Icecrown Citadel 	5-player	70 	70-80 	80 	80-82 	Bronjahm, Devourer of Souls
==Raids==
Instance Name 	Abbreviations 	Zone 	Type 	Minimum Level	Suggested Level Range	Heroic Min. Level	Heroic Level Range	Bosses
Naxxramas 	Naxx10, Naxx25 	Dragonblight 	10/25-player raid	80 	80+ 	 	 	Arachnid Quarter: Anub'Rekhan, Grand Widow Faerlina, MaexxnaPlague Quarter: Noth the Plaguebringer, Heigan the Unclean, LoathebMilitary Quarter: Instructor Razuvious, Gothik the Harvester, The Four Horsemen (Lady Blaumeux, Thane Korth'azz, Baron Rivendare, Sir Zeliek)Construct Quarter: Patchwerk, Grobbulus, Gluth, ThaddiusFrostwyrm Lair: Sapphiron, Kel'Thuzad
Obsidian Sanctum 	OS, Sarth10/25 	Dragonblight, Wyrmrest Temple	10/25-player raid	80 	80+ 	 	 	Tenebron, Shadron, Vesperon, Sartharion
Vault of Archavon 	Vault, VoA10/25 	Wintergrasp 	10/25-player raid	80 	80++ 	 	 	Archavon the Stone Watcher, Emalon the Storm Watcher, Koralon the Flame Watcher, Toravon the Ice Watcher
Eye of Eternity 	Maly, EoE10/25 	Borean Tundra, The Nexus 	10/25-player raid	80 	80+ 	 	 	Malygos
Ulduar 	Uld10/25 	Storm Peaks, Ulduar 	10/25-player raid	80 	80++ 	80++ 	80+++ 	The Siege of Ulduar: Flame Leviathan, Ignis the Furnace Master, Razorscale, XT-002 DeconstructorThe Antechamber of Ulduar: Assembly of Iron, Kologarn, AuriayaThe Keepers of Ulduar: Hodir, Thorim, Freya, MimironThe Descent into Madness: General Vezax, Yogg-SaronCelestial Planetarium: Algalon the Observer
Crusaders' Coliseum: Trial of the Crusader	TC, ToC, TotC10/25, ToGC (Heroic)	Icecrown, Crusaders' Coliseum	10/25-player raid	80 	80+++ 	80+++ 	80++++ 	Beasts of Northrend (Gormok the Impaler, Acidmaw & Dreadscale, Icehowl), Lord Jaraxxus, Faction ChampionsAlliance Champions: Tyrius Duskblade, Kavina Grovesong, Melador Valestrider, Alyssia Moonstalker & her lioness, Noozle Whizzlestick, Velanaa, Baelnor Lightbearer, Anthar Forgemender, Brienna Nightfell, Irieth Shadowstep, Saamul, Shaabad, Serissa Grimdabbler & her felhunter Zhaagrym, ShocuulHorde Champions:Gorgrim Shadowcleave, Birana Stormhoof, Erin Misthoof, Ruj'kah & her lioness, Ginselle Blightslinger, Liandra Suncaller, Malithas Brightblade, Caiphus the Stern, Vivienne Blackwhisper, Maz'dinah, Thrakgar, Broln Stouthorn, Harkzog & his felhunter Zhaagrym, Narrhok SteelbreakerTwin Val'kyr (Fjola Lightbane & Eydis Darkbane), Anub'arak
Onyxia's Lair 	Ony10/Ony25 	Dustwallow Marsh 	10/25-player raid	80 	80+++ 	 	 	Onyxia
Icecrown Citadel 	ICC 	Icecrown, Icecrown Citadel 	10/25-player raid	80 	80++++ 	80++++ 	80+++++ 	The Lower Spire: Lord Marrowgar, Lady Deathwhisper, Gunship Battle, Deathbringer SaurfangThe Plagueworks: Festergut, Rotface, Professor PutricideThe Crimson Hall: Blood Prince Council (Prince Keleseth, Prince Valanar, Prince Taldaram), Blood-Queen Lana'thelThe Frostwing Halls: Valithria Dreamwalker, SindragosaThe Frozen Throne: The Lich King
Ruby Sanctum 	RS, Hal10/25 	Dragonblight, Wyrmrest Temple	10/25-player raid	80 	80++++ 	80++++ 	80+++++ 	Saviana Ragefire, Baltharus the Warborn, General Zarithrian, Halion
==Notes==
All raid dungeons are accessible to both 10-player and 25-player size raid groups with separate gear progression paths in each respective raid model.
==See also==
*Instances by continent
*Zones by level
 Instances by level