"Abitibi" was created in 1966, and renamed "Abitibi—Baie-James—Nunavik". It was abolished in 2003, and most of its territory was incorporated into "Nunavik—Eeyou", which was renamed "Abitibi—Baie-James—Nunavik—Eeyou" in 2004.
the Regional County Municipality of Vallée-de-l'Or, including: Lac-Simon Indian Reserve; the Indian Settlement of Grand-Lac Victoria;
the Equivalent Territory of Jamésie, including: the Cree villages and reserved lands of Chisasibi, Eastmain, Mistissini, Nemiscau, Waskaganish, Waswanipi and Wemindji; the Indian Settlement of Oujé-Bougoumou, excepting that part of the Municipality of Baie-James lying southerly of latitude 50°00′ N and westerly of longitude 79°00′ W; and
the Territory of the Kativik Regional Government, including the Cree village and reserved land of Whapmagoostui; the Nordic village municipalities of Akulivik, Aupaluk, Inukjuak, Ivujivik, Kangiqsualujjuaq, Kangiqsujuaq, Kangirsuk, Kuujjuaq, Kuujjuarapik, Puvirnituq, Quaqtaq, Salluit, Tasiujaq and Umiujaq; the Naskapi Village Municipality of Kawawachikamach.
Abitibi—Baie-James—Nunavik—Eeyou contains more than half of Quebec's total landmass. As such, it is the largest riding in a Canadian province, and the third largest in the country after the territorial ridings of Nunavut and Western Arctic.
Abitibi riding was created in 1966 from parts of Chapleau and Saguenay electoral districts. In 1976, parts of Villeneuve were incorporated. The electoral district's name was changed in 1998 to "Abitibi—Baie-James—Nunavik".
In the 2003 re-distribution, Abitibi—Baie-James—Nunavik was abolished. A new riding, "Nunavik—Eeyou", was created with substatilly the same territory as Abitibi—Baie-James—Nunavik. Parts of Manicouagan and Roberval ridings were added, while a part was lost to Abitibi—Témiscamingue. Its name was changed to "Abitibi—Baie-James—Nunavik—Eeyou" after the 2004 election.