Prince William Sound, on the south coast of Alaska

Prince William Sound is a body of water in the Gulf of Alaska. A sound is a small body of water that comes in from the ocean. Prince William Sound is on the south side of the U.S. state of Alaska. It is on the east side of the Kenai Peninsula. Its biggest port is Valdez, at the south end of the Trans-Alaska Pipeline System. Other towns on the sound include Cordova and Whittier.