Saudi Arabia unveils plans for an entertainment city on the edge of Riyadh, which will be 50 times the size of Gibraltar once complete, Invest-Gate reports.

The 334-square-meter attraction will offer cultural, sporting, and entertainment activities, including a Six Flags park and a safari park.

The announcement boasts it will be the first of its kind in the world. Building will begin early next year and the first stage finished by 2022.

The entertainment city – about a fifth of the area of Riyadh in size – is the latest to be announced.

Authorities say the hope is not only to attract visitors, but “achieve a healthy and harmonious life, and provide more entertainment, joy and fun” for those who live in the capital.