Casay is 75 kilometers southeast of Cebu City with 3.53 sq. km. of its land area; boundaries are: north, Municipality of Argao; south, Cawayan and Bohol Strait; east, Bohol Strait; west, Tuba and Lumbang.
Casaynons are well known to their livelihood undertakings: like, farming, fishing, coco basket waving, home craft making, and aqua-farming.
These people are living in different setios, namely: Casay Tapon, Ka-Carpo, Dakung-Balas, Angas, ACADAB, Alisulang, Kambaldo, Balatic, Bungtod, Airstrip Hills and Casay Proper.
Casay is 8 kilometer distance to the Dalaguete Municipal Hall.