Tanaro river flows between these two hilly areas and separates them: the Langhe lie to the south and east of the river, Roero to the north.

The town of Alba can be considered the cultural and economic capital of both territories famous for their wines, cheeses and truffles. A large number of medieval and baroque castles punctuate the surrounding hills.

Two of the greatest Italian writers of the 20th century were born in this area: the stories of Beppe Fenoglio and Cesare Pavese are inextricably linked to the history among these hills of anti-fascist resistance.