23km (14 miles) E of San Sebastián, 510km (316 miles) N of Madrid, 18km (11 miles) W of St-Jean-de-Luz (France)

A big seaside resort and fishing port near the French frontier, Fuenterrabía (Hondarribía in Basque) was, in theory, supposed to guard Spain against frequent attacks over the centuries and has performed that task with varying degrees of success.