Blizzard announced realm consolidations for Burning Crusade Classic, merging multiple low-populated realms with Morgraine.

(Source)

Realm consolidations are underway and characters remaining on the following realms are being moved:

Original Realm

Destination Realm

Celebras

Hydraxian Waterlords

Zandalar Tribe

Hydraxian Waterlords

Bloodfang

Mograine

Dragon’s Call

Mograine

Dragonfang

Mograine

Dreadmist

Mograine

Finkle

Mograine

Flamelash

Mograine

Gandling

Mograine

Harbinger of Doom

Mograine

Heartstriker

Mograine

Judgement

Mograine

Lucifron

Mograine

Noggenfogger

Mograine

Razorgore

Mograine

Rhok’delar

Mograine

Shazzrah

Mograine

Skullflame

Mograine

Stonespine

Mograine

Ten Storms

Mograine

Wyrmthalak

Mograine