Elmira Corning Regional Airport is in Chemung County, New York, seven miles northwest of Elmira and eight miles east of Corning. It is in the town of Big Flats but its mailing address is Horseheads, New York. The airport was formerly Elmira Regional Airport.

Chemung County is a county in the U.S. state of New York. The population was 84,148 as of the 2020 census. Its county seat is Elmira. Its name is derived from a Delaware Indian village whose name meant "big horn". The county is part of the Southern Tier region of the state.