[Note 2]: In 2019 changes to the boundaries of the Abertawe Bro Morgannwg and Cwm Taf Local Health Boards led to the creation of Swansea Bay and Cwm Taf Morgannwg.
newid ffiniau ardaloedd y byrddau partneriaeth rhanbarthol rhwng Bwrdd Iechyd Abertawe Bro Morgannwg a Bwrdd Iechyd Cwm Taf