Port of Entry

Any location in the United States or its territories that is designated as a point of entry for aliens and U.S. citizens. All district and files control offices are also considered ports, since they become locations of entry for aliens adjusting to immigrant status.

Source: U.S. Citizenship and Immigration Services

Port where cargo is unloaded and enters a country.

Source: U.S. Maritime Administration.

Place (often an airport) where a person requests admission to the U.S. by the Department of Homeland Security, Customs and Border Protection officer.

Source: U.S. Department of State.