Zennor is situated in the Deanery and Hundred of Penwith. It is bounded on the North and East by the ocean and Towednack, on the South by Towednack, Gulval and a detached portion of Madron, and on the West by Morvah and the ocean. It is on the North coast about 5 miles West of St Ives. The only villages are the Churchtown and Trewey.