The president will stay in the presidential suite of Brisbane's Marriott Hotel for 1,370 pounds ($2,173) per night. This gets him around 1,400 square feet of space to move around in and panoramic views of the Brisbane River.
Chinese President Xi Jinping has the second most expensive room clocking in at 925 pounds ($1,467) a night. U.K. Prime Minister David Cameron will stay in a suite costing 690 pounds ($1,094)/night. Russian leader Vladimir Putin's suite at the Hilton costs 335 pounds ($531)/night.
The cheapest hotel room for a world leader during the G-20 meetings? That honor goes to Australia's own Prime Minister Tony Abbott, who will stay at a deluxe king suite at Rydges Hotel for only 170 pounds ($270).
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CORRECTION: A previous version misspelled Tony Abbott's last name.