プライベートエリア

noun

private area

A space or zone where privacy is expected, such as a personal room, a restricted section, or a private online space.

• このフロアはプライベートエリアですので、関かん係けい者しゃ以い外がいは立たち入いり禁きん止しです。

  This floor is a private area, so unauthorized persons are not allowed to enter.