Spain
Sierra is a city located in Basque Country, Spain.
You can find Sierra at 43.21° N, 3.37° W, in the Northern Hemisphere. It is classified under Basque Country, Spain.
The Basque Country region of Spain is home to Sierra and other cities such as Bilbao, Gasteiz / Vitoria, Donostia / San Sebastián.
Sierra is surrounded by 20 cities and towns within a 25 km radius.
Sierra is located in Basque Country, Spain.
Sierra is located at coordinates 43.21° N, 3.37° W in Basque Country, Spain.
Source: Bamwor World Encyclopedia — GeoNames (CC BY 4.0)