The 'foothills' group
These nouns refer to places or parts of places. (Farmlands, grasslands, marshlands, moorlands, parklands, quicksands, and steppes also occur in a singular form with no determiner.)
apartments backbenches back streets backwoods battlements benches bleachers chambers colonies downs environs farmlands foothills gardens grasslands grounds heavens highlands lowlands marshlands moorlands mudflats outskirts parklands precincts premises provinces quarters quicksands rapids reaches regions sands shallows shores snows stalls steppes suburbs surroundings terraces territorial waters tropics uplands wastes waters wilds wings
The film was shot in the foothills of the Canadian Rockies.
But further west, where the grasslands give way to the Tanami desert, you might find the occasional herd moving south.
These premises are regularly patrolled by dogs.
His quarters were in the American VIP section of the NATO complex and had access to CNN's satellite service.