The State University of New York at Stony Brook, commonly referred to as Stony Brook University (SBU), is a public research university in Stony Brook, New York, United States, on Long Island. Along with the University at Buffalo, it is one of the State University of New York system's two flagship institutions. Its campus consists of 213 buildings on over 1,454 acres of land in Suffolk County and it is the largest public university in the state of New York.