St Germans is situated in the Deanery and Hundred of East it is bounded on the North by Menheniot and Quethiock, on the East by Landrake, St Erney, St Germans Creek and Sheviock, on the South by the ocean, and the West by St Martin-by-Looe, Morval and Menheniot. The village of St Germans is on the lower reaches of the River Tiddy that eventually flows into Plymouth Sound. Villages in the parish were Tideford, Hessenford, Minard Cross, Polbathick, and Bethany. Hessenford in 1834, and Tideford in 1852, were two new ecclesiastical parishes created out of this parish. In 1997 St Germans was split again to make two more parishes: St Germans and a new parish of Deviock. In consequence, the boundaries of the parish have frequently been changed due to this and various local government reorganisation initiatives. St Germans is now surrounded by Deviock, Morval, Menheniot, Quethiock, Landrake with St Erney , Sheviock and the ocean.