It is not considered a part of Lake Huron, but it very well could be, as the straight that separates is from Huron is large enough to not be considered a true separator of the two large bodies of water.
Georgian Bay is part of Lake Huron
Near the Georgian Bay on Lake Huron.
The shoreline along the eastern and northern shores of Lake Huron, including Georgian Bay, is part of the Province of Ontario.
It's in southern Ontario, Canada. At the northeast of Lake Huron, on of the Great Lakes.
James Bay, Hudson Bay.
Sure, a bay can be a part of a lake. I live on Saginaw Bay on Lake Huron.
Wasaga Beach, the world's longest freshwater beach, is a little more than an hour's drive north of Toronto, and about 20 minutes west of Barrie. Wasaga Beach is in Nottawasaga Bay, at the extreme southeast end of Georgian Bay, in Lake Huron, one of the five Great Lakes. [There are many who claim that Georgian Bay is really a lake unto itself.]
The Great Lakes, which in part border parts of Canada, border all of the USA. In alphabetical order their names are: Lake Erie, Lake Huron, Lake Michigan, Lake Ontario, and Lake Superior.
Georgian Bay
There are five Great Lakes in North America: Lake Ontario, Lake Erie, Lake Huron, Lake Michigan, and Lake Superior. Lake Superior is the largest freshwater lake in the world. Hydrologists are of the opinion that Lakes Michigan and Huron are one body of water. At one time, Georgian Bay was called Lake Manitoulin and was the sixth Great Lake.
Lake Nipissing is at North Bay, Ontario, east of Georgian Bay.
Lake Nipissing is located in north central Ontario, Canada. The City of North Bay is located on its shores. Two branches of the Trans-Canada Highway run through North Bay: Highway 11 and Highway 17. The water from Lake Nipissing flows through the French River and empties into the northeast corner of Lake Huron's Georgian Bay.