Kudavasal, also spelt as Kudavayil, is a taluk headquarters in Tiruvarur District of Tamil Nadu. This town, on the way to Tiruvarur from Kumbakonam, is famed for its Koneswarar Temple. Kumbakonam is 20 km south-west.
Valangaiman and Nidamangalam are prominent towns at about 11 km and 12 km away respectively. Nannilam, Tirubhuvanam and Tiruvidaimarudur are worth visiting places in the neighborhood. Enkal, known for a Subramanya temple, lies close to Kudavasal.