One of the big draws on the Maes is the Open Art Exhibition.
Fifty-six artists have been chosen this year to show their work - and nearly half of them are taking part in the Eisteddfod for the first time.
Carole Green caught up with one of the newcomers.
More top news
Wales Captain Sam Warburton says his team are raring to go as they kick off their Six Nations campaign in Dublin tomorrow.
Liberal Democrat leader Tim Farron has criticised Labour at the party's spring conference in Cardiff.
A Royal Gun Salute was held at Cardiff Castle earlier today to mark the 64th anniversary of the Queen's accession to the throne.