2017 Diriyah Gate Development Authority was established by a Royal Order to plan and develop Diriyah into an exceptional tourist destination. This province is one of the prominent archeological sites in the Kingdom of Saudi Arabia , featuring details that embody over three hundred years of the Kingdom's history. The Diriyah Gate project covers seven km 2 , while Diriyah Gate Development Authority oversees an area of 190 km 2 . 2018 The Diriyah Gate project has undergone extensive plannin...