The original 4 World Trade Center (4 WTC), also known as the Southeast Plaza Building, was a nine-story, 118 ft (36 m)-tall building at the southeast corner of the World Trade Center complex in Lower Manhattan, New York City.

On September 11, 2001, the building was heavily damaged as a result of attacks carried out by the Islamic terrorist group al-Qaeda, and was later demolished.

4 World Trade Center was built on the site of the Hudson Terminal complex.

[3] The building's side facing Liberty Street housed the street-level entrance to The Mall at the World Trade Center on the basement concourse level of the WTC.

[5][6] The Twin Towers of the World Trade Center were destroyed during the September 11 attacks, creating debris that destroyed or severely damaged nearby buildings, such as the original 4 World Trade Center.