Tiananmen Square is a large public square located in the center of Beijing, China. It is the world's largest city square and has a history spanning more than 500 years. The square is named after the Tiananmen Gate, which sits at the northern end of the square and is the entrance to the Forbidden City.

The square has great historical significance and has been the site of many important events in Chinese history, such as the proclamation of the People's Republic of China by Mao Zedong on October 1, 1949, and the Tiananmen Square protests of 1989.

The square covers an area of 109 acres and is surrounded by important buildings such as the Great Hall of the People, the National Museum of China, and the Monument to the People's Heroes. At the center of the square is the famous Tiananmen Tower, which was built during the Ming Dynasty and is now a symbol of Beijing.

Tiananmen Square is open to the public and is visited by millions of tourists every year. Visitors can walk around the square, take photos, and watch the daily flag-raising ceremony at sunrise and flag-lowering ceremony at sunset. The square is also used for public gatherings and events, such as the National Day Parade held every year on October 1.