All of the museums participating in the program reside within the boundaries of what was known as the Old Colony. The term Old Colony refers to the area of southeastern Massachusetts that was once Plymouth Colony. Plymouth Colony existed as a separate entity until its merger with the larger Massachusetts Bay Colony in 1691. Then the area became known as “Old Plymouth Colony” until it was finally shortened to “Old Colony.” Home to humans for at least 10,000 years before Europeans settled the area in 1620, the land today encompasses Plymouth, Bristol, and Barnstable counties. Bounded on three sides by the Atlantic Ocean, the Old Colony was richly endowed with well-protected harbors and a river system that made trading, and later industry, profitable.