How do you say "concierge department" in a hotel or restaurant in English?

The concierge is an indispensable department in a well-equipped hotel. This department is subordinate to the front office department and is also part of the housekeeping department. They are usually the first hotel personnel that travelers have face-to-face contact with. Those working in the concierge department are frontline personnel, and they often serve as a communication bridge between the hotel and the outside world.