From WoWWiki

The Dagger Hills sit behind Moonbrook in Westfall. The Dagger Hills are home to the strongest members of the Defias Brotherhood in Westfall outside of the Deadmines. Grimbooze Thunderbrew in the hills gives you a repeatable quest that offers you no experience but free alcohol.

Subzones of Westfall
Alexston Farmstead • The Dagger Hills • The Dead Acre • Demont's Place • The Dust Plains • Furlbrow's Pumpkin Patch • Gold Coast Quarry • Jangolode Mine • The Jansen Stead • Klaven's Tower • Longshore • The Molsen Farm • Moonbrook • Moonbrook Schoolhouse • Saldean's Farm • Sentinel Hill • Sentinel Tower • Stendel's Pond • Westfall Lighthouse