The Odstock Centre for Burns, Plastic and Maxillo-Facial Surgery is a regional unit with a catchment area that includes most of Wiltshire, Hampshire, Dorset and Somerset and is located at Salisbury District Hospital in South Wiltshire. The Duke of Cornwall Spinal Treatment Centre is also based on the same site, this is a supra-regional unit whose boundaries extend to Cornwall in the west and parts of Surrey and Sussex in the east. A proportion of the patients from these more distant regions are also referred to the outreach service for advice regarding pressure ulcer management.