Notre-Dame-de-Grâce, commonly known as NDG, is a residential neighbourhood of Montreal in the city's West End, with a population of 166,520 (2016). An independent municipality until annexed by the City of Montreal in 1910, NDG is today one half of the borough of Côte-des-Neiges–Notre-Dame-de-Grâce. It comprises two wards, Loyola to the west and Notre-Dame-de-Grâce to the east. NDG is bordered by four independent enclaves; its eastern border is shared with the City of Westmount, Quebec, to the north and west it is bordered by the cities of Montreal West, Hampstead and Côte-Saint-Luc. NDG plays a pivotal role in serving as the commercial and cultural hub for Montreal's predominantly English-speaking West End, with Sherbrooke Street West running the length of the community as the main commercial artery. The community is roughly bounded by Claremont Avenue to the east, Côte-Saint-Luc Road to the north, Brock Avenue in the west, and Highway 20 and the Saint-Jacques Escarpment to the south.

Côte-des-Neiges–Notre-Dame-de-Grâce is a borough (arrondissement) of Montreal, Quebec, Canada. The borough was created following the 2002 municipal reorganization of Montreal. It comprises two main neighbourhoods, Côte-des-Neiges and Notre-Dame-de-Grâce, both former towns that were annexed by the city of Montreal in 1910.