For further information about the information which Welsh Government and Cwmpas hold and its use, or if you wish to exercise your rights under GDPR, please see contact details below:
I gael rhagor o wybodaeth am yr wybodaeth y mae Llywodraeth Cymru a Cwmpas yn ei dal, ac am y defnydd a wneir ohoni, neu os hoffech arfer eich hawliau o dan y GDPR, gweler y manylion cyswllt isod: