[2] The electoral district is located on the Island of Montreal and is centred on the namesake neighbourhood of Notre-Dame-de-Grâce and the city of Westmount.

South Montreal is considered a heartland for the Liberal Party of Canada,[3] and this riding is no exception.

Being a heavily Anglophone riding for Quebec (44% of residents have English as their mother tongue), language issues play a large factor in the district.

[5][6] Gainey won the Liberal nomination on May 15, 2023, defeating Fred Headon, vice president and general counsel of Air Canada, and 2021 La Pointe-de-l'Île candidate Jonas Fadeu.

[8] The People's Party of Canada announced Tiny Olinga as their candidate.