Baztan is a comarca located in a wide valley

Valley

In geology, a valley or dale is a depression with predominant extent in one direction. A very deep river valley may be called a canyon or gorge.The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys...

 in Navarre

Navarre

Navarre , officially the Chartered Community of Navarre is an autonomous community in northern Spain, bordering the Basque Country, La Rioja, and Aragon in Spain and Aquitaine in France...

, Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

, with the Baztan river

Baztan (river)

The Baztan is a river that flows westwards towards Artesiaga and from Oronoz-Mugairi, not far from the Señorío de Bértiz Nature Park, it is known as the Bidasoa river. For the last 15 km, it acts as the border between France and Spain and flows into the Gulf of Biscay between Hendaye and Irun....

 running through it. The valley belongs to the Merindad de Pamplona.

Municipal terms

• Baztán
  Baztan
  Baztan is a municipality located in the province and autonomous community of Navarre, northern Spain. It is located from Pamplona, the capital of Navarre. It is the largest municipality in Navarre, with some 376.8 km2 and just over 8,000 inhabitants....
  
  
• Urdax
• Zugarramurdi
  Zugarramurdi
  Zugarramurdi is a town and municipality located in the province and autonomous community of Navarre, northern Spain. It passed into history as the setting of the infamous Basque witch trials. Every year in spectacular caves near Zugarramundi the town celebrate the ‘day of the witch’.-External...
  
  

There are 14 villages in the municipalities: Oronoz-Mugaire, Arraioz, Almandoz, Berroeta, Aniz, Ziga, Irurita, Lecaroz, Garzain, Elbetea, Arizkun, Erratzu, Azpilicueta, and Amaiur.