Where is Sarnia Located? by nextbyte 136 A city in Ontario, Canada. Situated on the shores of Lake Huron. Known for its petrochemical industry, waterfront attractions, and as a border-crossing point to the United States. Advertisement Map showing where is Sarnia located in Canada. Where is city: Related Maps Where is North America, Where is Canada In other languages Mapa de Norte America, Mapa de Canada, Carte Amérique du Nord, Carte du Canada, América do Norte Mapa, Canadá Mapa, خريطة أمريكا الشمالية Continent Map of North America Country Map of Canada Area Codes +1 519 Airport Sarnia Airport Share FacebookTwitterPinterestEmail