Grosvenor Square
/ˌɡrəʊvnə ˈskweə(r)/
/ˌɡrəʊvnər ˈskwer/
- a large square in central London. The US embassy used to be on one side of the square, and people traditionally went there to protest against US actions which they disapproved of, such as the Vietnam War or the invasion of Grenada.