Whithorn self catering The Self Catering Guide › South West Scotland › Dumfries and Galloway › Self catering in Whithorn › Whithorn in Dumfries and Galloway is a great place to head for a self catering short break or holiday... there is so much to see and do. Click here to find out more » The former Royal Burgh of Whithorn is situated on the Marchars peninsula in Dumfries and Galloway. See Shortlist Luxury Sleeps 4 Sleeps 2 Hot Tub Fire Dogs Short Breaks Dunvendin, Whithorn Dumfries and Galloway South West Scotland Sleeps 5. 2 bedroom. Prices from £224 a weeks stay. Priory Croft, Whithorn Dumfries and Galloway South West Scotland Sleeps 5. 3 bedroom. Prices from £254 a weeks stay.