The website sets out advice for citizens, organisations and sectors across Wales about the steps that need to be taken to prepare to leave the EU and is updated regularly.
Mae’r wefan yn rhoi cyngor i ddinasyddion, sefydliadau a sectorau ledled Cymru am y camau sydd angen eu cymryd i baratoi i adael yr UE ac mae’n cael ei diweddaru’n rheolaidd.