The Chateau St. Louis in Quebec City was the official residence of the French Governor of New France and later the British Governor of Quebec, the Governor-General of British North America, and the Lieutenant-Governor of Lower Canada.
The site was designated a National Historic Site of Canada in 2002.
Wikipedia https://en.wikipedia.org/wiki/Chateau_St._Louis
Official Website https://www.pc.gc.ca/fr/lhn-nhs/qc/saintlouisforts
Address 24 1/2 Rue du Petit-Champlain, Québec G1K, Canada
Coordinates 46°48'44.088" N -71°12'15.693" E