Although the terminal has been properly called `` Grand Central Terminal '' since 1913 , many people continue to refer to it wrongly as `` Grand Central Station , '' the name of the previous rail station on the same site , and of the U.S. Post Office station next door , which is not part of the terminal .
Although the terminal has been properly called `` Grand Central Terminal '' since 1913 , many people continue to refer to it as `` Grand Central Station '' .