Di'anmen previously Bei'anmen was an imperial gate in Beijing, China. The gate was first built in the Yongle period of the Ming dynasty, and served as the main northern gate to the Imperial City. The gate was located north of Jingshan Park and south of the Drum Tower. The gate was demolished in 1954. Efforts to restore it have been under way since 2013.

The Tiananmen (also Tian'anmen, or the Gate of Heaven-Sent Peace, is a monumental gate in the city center of Beijing, China, the front gate of the Imperial City of Beijing, located near the city's Central Business District, and widely used as a national symbol.