Bobastro

Bobastro - Credit: Wikimedia Commons

Bobastro (Arabic Bubashtru) was a castle of Roman origin, rebuilt as the headquarters of Umar ibn Hafsun during his rebellion against the Caliphate of Córdoba in the 9th century. Its ruins lie in the Province of Málaga, Spain. Read more on Wikipedia

type: military installation
date from: None

Source: en.wikipedia.org