Hudson Bay is a large inland sea located in northeastern Canada. It is bordered by the provinces of Manitoba, Ontario, Quebec, and Nunavut. The bay covers an area of about 1.23 million square kilometers and is connected to the Atlantic Ocean through the Hudson Strait. The bay is named after the English explorer Henry Hudson, who navigated its waters in the early 17th century. It plays a significant role in the region's ecology and economy, supporting various wildlife and serving as a vital shipping route for trade and transportation.