headquarters noun

ADJ. international, local, national, regional | permanent | temporary | field | enemy | rebel | administrative, campaign, operational | army, military | police | business, company, corporate, group | party

VERB + HEADQUARTERS have The organization has its headquarters in Brussels. | establish, set up The company has set up its European headquarters in the UK. | open | close They're planning to close their headquarters in Washington.

PREP. at (the) ~ They're very worried about this at headquarters. She works at the company's headquarters.