Athens is a borough in Bradford County, Pennsylvania, two miles (3 km) south of the N. Y. State line on the Susquehanna and Chemung rivers. Population in 1900, 3,749; and in 1910, 3,796. The population was 3,415 at the 2000 census. Athens is in a small area locally known as 'The Valley,' a group of four contiguous communities in the two states: Waverly, NY; South Waverly, PA; Sayre, PA; and Athens. The Valley has a population near 30,000.