The Isaba town is major than municipalities of the geographical region of Vale of the Roncal. It is nailed on the foot of the majestic ones Western Pyrenees. It is framed between the impressive plateau of Larra to the North, under which it thinks up the Vale of Belagua (960-1020 mts.-alt), and a series of saws and vales overturned towards the South.
Isaba shows us the image again roncalesa of house packed in the hillside crowned by the church - fortitude, where in times the castle was. He emphasizes for his singularity the chairs of the choir from the church worked in wood, with images of the daily life, as Tax of 3 Cows, agreement - holiday that celebrates 13 of July from the Middle Ages.