enter Building Number or Building Name, Address including Town or City, County, Postcode, select Country from the dropdown, then select Continue to select language preferences
nodwch Rhif neu Enw’r Adeilad, Cyfeiriad gan gynnwys Tref neu Ddinas, Sir, Cod post, dewis Gwlad o’r gwymplen, yna dewis Parhau i osod dewisiadau iaith