Wills Domain is located in the Margaret River wine region, 1.5km east of Caves Road in the isolated and clearly defined Gunyulgup Valley. Aboriginal for "resting place near water", this valley runs north towards Cape Naturaliste and forms an essential part of the Geographe Air Drainage Plateau.

The area has steep sun-drenched western facing slopes overlooking the Indian Ocean. The maritime climate, combined with the rich red gravel soils and nurturing marri and jarrah tress form a vine terroir that is fast becoming the envy of Australian wine producers.