The United Nations building Brainiac and Lex Luthor shrink the United Nations Headquarters. The United Nations Headquarters is the headquarters of the United Nations. It is located in the Manhattan borough of New York City, overlooking the East River. References ↑ As seen in ??? ↑ As seen in Monolith of Evil. Retrieved from "https://superfriends.fandom.com/wiki/United_Nations_Headquarters?oldid=69950" Categories: Locations Real locations Buildings DC Comics Community content is available under CC-BY-SA unless otherwise noted.