drop zone
US /ˈdrɑːp zoʊn/
UK /ˈdrɑːp zoʊn/

1.
an area where paratroopers or supplies are dropped from an aircraft
:
•
The soldiers landed safely in the designated drop zone.
•
The supplies were air-dropped into the remote drop zone.
2.
a designated area for dropping off passengers or items, often at an airport or public building
:
•
Please proceed to the passenger drop zone for departures.
•
The courier left the package in the designated drop zone at the office.