From WoWWiki

The Shattered Sun Staging Area is just south of the Sun's Reach Harbor of the Isle of Quel'Danas, and is the initial starting zone of the Shattered Sun Offensive. A hut near the staging area (where Drill Sergeant Bahduum instructs new recruits) houses the SSO quartermaster, Eldara Dawnrunner.

Patch changes

Patch 2.4.0 (3/25/08): Added.

Subzones of the Isle of Quel'Danas
The Bloodoath • The Dawnchaser • The Dawning Square • Dawnstar Village • The Dead Scar • The Forbidding Sea • The Great Sea • Greengill Coast • Magisters' Terrace • Shattered Sun Staging Area • Silvermoon's Pride • The Sin'loren • Sunwell Plateau • Sun's Reach • Sun's Reach Armory • Sun's Reach Harbor • Sun's Reach Sanctum