Which region includes both Peel and Perth Hills?

The correct answer is Greater Perth, as this region encompasses various sub-regions, including Peel and Perth Hills. Greater Perth is a defined wine region in Western Australia that covers the metropolitan area and extends to the surrounding areas, which allows for the combination of different climates and soil types. Peel is located to the south of Perth and is known for producing a range of varietals, while Perth Hills is situated just east of the city and is characterized by its elevated vineyards that benefit from cooler temperatures, promoting the production of high-quality wine.

Margaret River is renowned for its premium wine production but is geographically distinct from Greater Perth, situated further south and known for its diverse microclimates and focus on varieties such as Cabernet Sauvignon and Chardonnay. Hunter Valley, located in New South Wales, is another significant wine region, but it is not related to Perth or its surrounding areas. Big Rivers, which is a more obscure wine region, also does not include Peel or Perth Hills. Thus, Greater Perth is the accurate and encompassing choice.