 The region is formed by 8 regional county municipalities and 114 municipalities.In the south it borders Maine and New Brunswick, as well as the regions of Chaudière-Appalaches and Gaspésie–Îles-de-la-Madeleine

It had a population of 197,385 and a land area of as of the 2016 Census.The territory has seen human occupation since the Pleistocene by First Nations until European colonisation started near the end of the 17th century with the concession of tenures, despite this, the development of the region was slow until it started exploiting its mixed forests, allowing it to grow and settle further inland, on the littoral and to develop a leisure industry.