One of the four territorial police forces in Wales, with headquarters in Bridgend, and at the time of the Inquiry covering Cardiff, Bridgend, Merthyr Tydfil, Swansea and the western South Wales Valleys. The largest police force in Wales in terms of population, and the seventh largest in the UK at the time. Chief Constable Peter Vaughan gave evidence on police relations with the media, which included keeping registers of all hospitality, accepted or refused. A media register of contacts between news media and police had been in place since 2011, Vaughan told the Inquiry.