Grand Central Terminal ( GCT ) â '' often popularly ( and incorrectly ) called Grand Central Station or simply Grand Central â '' is a terminal station at 42nd Street and Park Avenue in Midtown Manhattan in New York City . Grand Central Terminal ( GCT ) â '' often incorrectly called Grand Central Station , or shortened to simply Grand Central â '' is a terminal station at 42nd Street and Park Avenue in Midtown Manhattan in New York City , United States .