The Canadian Coast Guard (CCG) maintains a number of major bases and operating stations on the Atlantic and Pacific coasts, as well as in the St. Lawrence River, Great Lakes and major navigable inland waterways such as Lake of the Woods, Lake Winnipeg, and Great Slave Lake/Mackenzie River.
Currently, there are no vessels permanently based in the eastern Arctic, although CCG vessels and aircraft frequently operate there, staging out of bases on the Atlantic coast and supported by a base in Iqaluit, Nunavut.
In October 2018, it was announced that the Canadian Department of Fisheries and Oceans and the Canadian Coast Guard would be reorganized into four operational regions with the creation of a new Arctic Region; this transition to four regions was completed in April 2021.
[1] Canadian Coast Guard regions are defined[2] as: Source:[1] Source:[4] Source:[5] Source:[6]