Hudson Bay (
Inuktitut:
Kangiqsualuk ilua, ), sometimes (usually historically) called
Hudson's Bay, is a large body of saltwater in northeastern
Canada, with a surface area of . It
drains a very large area, about , that includes parts of
Ontario,
Quebec,
Saskatchewan,
Alberta, most of
Manitoba, southeastern
Nunavut, as well as parts of
North Dakota,
South Dakota,
Minnesota, and
Montana. The southern arm of Hudson Bay is called
James Bay.