In 2020, the new Terminal 1 at King Abdulaziz International Airport had a soft opening with a number of domestic flights transferred to operate from it. With a floor area of 810,000 square meters, the new terminal is considered one of the largest airport terminal buildings of its kind in the world. Visitors and passengers will enjoy a number of facilities including new lounges, an 18,000 square meter central garden area, and a transport center that links between the building and the car park and train station. Moreover, the terminal will have a huge aquarium with 10 meters in diameter and 14 meters in height as well as a capacity of million liters of water. Furthermore, a mosque with a capacity of 3,732 worshippers has been established in the airport. In August 2020, the airport started moving a number of international flights operated by Saudia to the new terminal , and on the 18th of November, Etihad has become the first non-Saudi airline to move to the new facility.