Meaning of the word "head office" in English

What does "head office" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

head office

US /hed ˈɑː.fɪs/
UK /hed ˈɒf.ɪs/
"head office" picture

Noun

the main office of an organization or company

Example:
The company's head office is located in London.
I need to send these documents to head office for approval.