(CNN) — Twelve towers, 10,000 rooms and 70 restaurants, plus helipads and a full-size convention center: That's the plan for Abraj Kudai, a complex in Mecca, Saudi Arabia, that's set to become the world's largest hotel by room count when it opens in 2017.
Designed by architectural firm Dar Al-Handasah, the $3.5 billion site is currently under construction and will stretch across 1.4 million square meters.
A ring of 12 towers will rise from a podium just over 2 kilometers from the Masjid al-Ḥaram, Mecca's holy mosque, according to Dar Al-Handasah's website.
Currently, Las Vegas is home to the world's largest hotel in terms of the number of guest rooms.
The MGM Grand has a record 6,198 rooms, according to hotel industry research firm STR Inc.
Here are the top five hotels in the world by room count, according to STR:
1. MGM Grand Hotel, Las Vegas: 6,198 rooms
2. First World Hotel, Malaysia: 6,118 rooms
3. Luxor Hotel, Las Vegas: 4,400 rooms
4. Mandalay Bay Resort, Las Vegas: 4,332 rooms
5. The Venetian, Las Vegas: 4,049 rooms
The MGM Grand Hotel in Las Vegas has the most rooms in the world: 6,198 in the 30-story building, according to hotel industry research firm STR Inc.