Competitions get underway on the Maes today, after the Opening Concert of this year's National Eisteddfod last night.
The 2013 festival is being held in Denbighshire, on the outskirts of Denbigh, the same site as in 2001.
Organiser Hywel Edwards says he is hoping for more than 150,000 visitors over the eight days.
The National Eisteddfod celebrates the Welsh language, music, literature, culture, theatre and more.
Last year's event was hosted at the former Llandow airfield in the Vale of Glamorgan.
More top news
The Welsh singer sang her infamous track during yesterday's solar eclipse.
Alan Gifford who had to have both his hands amputated.. has become the first young boy in Britain to have two bionic hands.
The 50-year-old man is accused of allegedly trying to abduct a four-year-old girl during a Morris Dancing competition.