Basilica of San Martiño de Mondoñedo explained

The Basilica of San Martiño de Mondoñedo is a church in the municipality of Foz in Galicia (Spain). It is considered the oldest cathedral in Spain; it was the seat of two bishops in the ninth century.

The current church, of Romanesque architecture, dates from the late eleventh century; it was reinforced with buttresses during the eighteenth century.

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43.5617°N -7.3033°W