Union Avenue Historic District (Saratoga Springs, New York)

Union Avenue Historic District is a historic district in Saratoga Springs, New York. It was listed on the U.S. National Register of Historic Places in 1978.

It includes at least the Congress Park portion of the Canfield Casino and Congress Park, a U.S. National Historic Landmark District. Union Avenue, which is part or New York State Route 9P, includes a number of stately Victorian homes built in the second half of the nineteenth and early twentieth centuries, as well as buildings owned by Empire State College, some of which were once Skidmore College Buildings. Both the Saratoga Race Course and Yaddo are located on Union Avenue.