Monarquía, arte y poder en una diócesis fronteriza: la antigua diócesis de Tui y el desarrollo del arte románico en el suroeste de Galicia y el norte de Portugal

The ancient diocese of Tui was, due to its strategic location on the banks of the Miño river, a borderline bishopric which encompas-sed territories in southwestern Galicia and northern Portugal from the 5th to the 15th century. This diocesan space was a privileged space for power struggles between monarchs and nobility from both sides of the frontier which contributed to the birth, development and expansion of Romanesque art in this territory.