 The municipality is adjacent with Meaño, Meis, Pontevedra and Sanxenxo and offers a rich fusion of mountain and sea areas.Tambo island, an uninhabited island located in the middle of the Pontevedra estuary, officially belongs to Poio but it is under the control of the Spanish Navy and disembarkment is not allowed.Poio has an approximate area of 34 square kilometers.