The Province of New Hampshire is a name first given in 1629 to the territory between the Merrimack and Piscataqua rivers on the eastern coast of North America. It was formally organized as an English royal colony on October 7, 1691, during the period of English colonization. The charter was enacted May 14, 1692, by William and Mary, the joint monarchs of England and Scotland, at the same time that the Province of Massachusetts Bay was created. The territory is now the U.S. state of New Hampshire, and was named after the county of Hampshire in southern England by Captain John Mason, its first proprietor.