Declared an Historic-Artistic Monument in 1931.
The church has a Latin cross plan with one nave divided into three sections with a cross vault. Over the Galician cross there is a dome base with four pointed arches and topped with an ogive vault (only visible from the inside).The presbytery has been arranged into two sections, the first with a barrel vault, coinciding with the triumphal arch that leads onto the transept , and the second section, the apse, topped with an oven vault. Of note on the exterior is the Romanesque apse and the main front, altered in the 18th century.
San Prudencio Basilica
Alto de Armentia, 24
01195 Armentia, Vitoria, Araba-Álava (Basque Country)