A flag-raising ceremony is held to celebrate the 15th anniversary of Macao's return to the motherland in Macao, south China, Dec. 20, 2014. (Xinhua/Lui Siu Wai)

MACAO, Dec. 20 (Xinhua) -- Macao is ready on Saturday morning for a grand ceremony to celebrate the 15th anniversary of its return to the motherland.

A gathering of some 1,000 dignitaries at the Macao East Asian Games Dome will also witness the swearing-in of the fourth-term chief executive of the Macao Special Administrative Region (SAR), administered by Chinese President Xi Jinping, as well as the SAR's fourth-term government.

President Xi, who arrived on Friday, is expected to deliver a speech after the inauguration ceremony.

A special flag-raising ceremony was held at the landmark Lotus Square on Saturday morning.