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View of Castro-UrdialesEdmundo Sáez · CC BY-SA 4.0

Castro-Urdiales

Coastal town

Castro Urdiales is a seaport of northern Spain, in the autonomous community of Cantabria, situated on the Bay of Biscay. Castro Urdiales is a modern town, although its castle and the Gothic-style parish church of Santa María de la Asunción, date from the Middle Ages. Its chief industries are tourism, fishing, and oil-packing of fish, especially sardines and anchovies. The Lolin and La Castreña anchovy canning factories serve as a reminder of the town's closeness to this industry and its proximity to the sea.

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Although the number of people registered in the town is around 32,000, the summer population can double or even triple this figure. The town is popular because of its beaches and scenic harbor.

Text from Wikipedia (CC BY-SA)

Village information

Coat of arms of Castro-Urdiales
Province
Cantabria
Population (INE 2025)
33,450
Altitude
13 m
Area (IGN)
97.6 km²
Postcode
39700
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Practical info

The essentials for getting around Castro-Urdiales without surprises: how to get there, municipal facts and when it's most worth coming.

Getting there

Coordinates: 43.3828° N, 3.2196° O

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By bus: check the regional bus timetables, they change by season. If you come without a car, confirm the last service back before you leave.

Useful facts

Postcode
39700
Altitude
13 m
Population (INE 2025)
33,450 inhabitants
Province / region
Cantabria · Cantabria
Official website
castro-urdiales.net

Useful phone numbers

  • Emergencies112
  • Poison information91 562 04 20
  • Town councilOn the official website

We only list verified numbers. The town hall itself will give you the number of the clinic or the pharmacy.

When to come

There are no events in Castro-Urdiales's calendar yet, so any month works. Ask us about the local festivals: almost every village has one.

  • Spring

    Mild temperatures and the village still quiet.

  • Summer

    Busy summers: book accommodation in advance.

  • Autumn

    Water still warm, lower prices and calm.

  • Winter

    Mild but quiet winter: some businesses slow down.

Keep exploring

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