Montréal–Pierre Elliott Trudeau International Airport or Montréal–Trudeau, formerly known as Montréal–Dorval International Airport (Aéroport international Montréal-Dorval), is a Canadian airport located on the Island of Montreal, from Montreal's downtown core. The airport terminals are located entirely in the suburb of Dorval, while the Air Canada headquarters complex and one runway is located in the Montreal borough of Saint-Laurent. It is an international airport serving Greater Montreal, along with the regions of northern Vermont and New York. The airport is named in honour of Pierre Elliott Trudeau, the 15th Prime Minister of Canada.