Castro-Urdiales at a glance
- Castro-Urdiales has a population of about 32,000.
- It lies in Cantabria.
- It's about 332 km to Madrid, the country's largest city.
- The nearest bigger city is Bilbao, about 27 km away.
- Close by: Santurtzi (16 km), Getxo (17 km) and Portugalete (18 km).