The rañas of Casa de Uceda Nature · Casa de Uceda, La Campiña, Guadalajara Image of Casa de Uceda, not of the place itself. The rañas of Matarrubia, Villaseca and Casa de Uceda form an area included in the Natura 2000 network as a site of Community importance. It is a zone vulnerable to forest fires and to the transformation of its soils. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Casa de Uceda