See Cuenca (Ecuador) for another city named Cuenca.
Cuenca is a town in the Castile-La Mancha region of Spain. It's walled town is a UNESCO World Heritage site. The old town is an outstanding example of a medieval city, built on the steep sides of a mountain. The many casas colgadas ("hanging houses") are built right up to the cliff edge, making Cuenca one of the most striking towns in Spain.