The Gaylord National Resort & Convention Center is a hotel and convention center located at National Harbor, Prince George's County, in the U.S. state of Maryland. The hotel is situated along the shores of the Potomac, downriver from Washington, D.C., and across the river from Alexandria, Virginia. It is owned by Gaylord Hotels, a division of Ryman Hospitality Properties, and operated by Marriott International. The hotel opened April 1, 2008, as part of a new mixed-use development in National Harbor. It is one of the largest non-gaming hotel and convention centers on the East Coast of the United States. It cost $870 million to build.
The center was originally named the Gaylord Potomac Resort & Convention Center; the name was changed in the planning stage. The hotel contains 2,000 guest rooms, 95 event rooms, 537,430 square feet of meeting space, seven restaurants, and a 20,000-square-foot spa. It employs 2,000 people. It features a 19-story glass atrium with views of the Potomac River.
Wikipedia https://en.wikipedia.org/wiki/Gaylord_National_Resort_&_Convention_Center
Phone 301-965-2000
Coordinates 38°46'51.134" N -77°1'2.359" E