In Italy, the prevalent diffusion is in Lombardy, in Emilia - Romagna, in Tuscany, in the continental part of Veneto and in Apulia; everyone of these "Romanesque styles" has proper characteristics, for constructing methods and for materials.
Abruzzo Aosta Valley Emilia-Romagna Friuli-Venezia Giulia Latium Lombardy Marche Piedmont Puglia Sardinia Sicily Tuscany Umbria Veneto During the time of early Christianity every 10 villages were ordered to build a church.
Romanesque architecture truly arrives with the influence of Cluny through the Way of Saint James pilgrimage route that ends in the Cathedral of Santiago de Compostela.
The model of the Spanish Romanesque in the 12th century was the Cathedral of Jaca, with its characteristic apse structure and plan, and its "chess" decoration in strips called taqueado jaqués.
But there is also a strong influence from the moorish architecture, so close in space, specially the vaults of Córdoba`s Mosque, and the polylobulated arches.