Geneseo is a village in and the county seat of Livingston County in the Finger Lakes region of New York, United States, south of Rochester. The name "Geneseo" is an anglicization of the Iroquois name for the earlier Iroquois town there, Gen-nis-he-yo, which means "beautiful valley". The village of Geneseo lies within the western part of the town of Geneseo at the junction of State Routes 39 and 63 with U.S. Route 20A.