Athens is a borough in Bradford County, Pennsylvania, United States. It is part of Northeastern Pennsylvania and is located 2 miles (3 km) south of the New York state line on the Susquehanna and Chemung rivers. The population was 3,749 in 1900 and 3,796 in 1910. The population was 3,265 at the 2020 census. Athens is in a small area locally known as "The Valley", a group of four contiguous communities in Pennsylvania and New York: Waverly, New York; South Waverly, Pennsylvania; Sayre, Pennsylvania; and Athens. The Valley has a population near 30,000.

Bradford County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, its population was 59,967. Its county seat is Towanda. The county was created on February 21, 1810, from parts of Lycoming and Luzerne Counties. Originally called Ontario County, it was reorganized and separated from Lycoming County on October 13, 1812, and renamed Bradford County for William Bradford, who had been a chief justice of the Pennsylvania Supreme Court and United States Attorney General. The county is part of the Northeast Pennsylvania region of the state.