What is Dewis? Dewis Cymru is the place for information about well-being in Wales. We have information that can help you think about what matters to you, along with information about local organisations and services that can help! Dewis areas Dewis Cymru currently has local information for North Wales, Cardiff, the Vale of Glamorgan, Rhondda Cynon Taf, Merthyr Tydfil and Bridgend. Local information for other areas is currently being added. Why not add YOUR information now? Dewis Cymru helps retirement complex residents get more active Residents in a retirement complex in the Vale of Glamorgan have become more active thanks to an exercise class organised through Dewis Cymru. For more information please visit the Vale of Glamorgan website.