Al-Andalus followed the fate of Africa. Between 1146 and 1173, the Almohads gradually wrested control from the Almoravids over the Moorish principalities in Iberia. The Almohads transferred the capital of Muslim Iberia from Córdoba to Seville. They founded a great mosque there; its tower, the Giralda, was erected in 1184 to mark the accession of Ya'qub I. The Almohads also built a palace there called Al-Muwarak on the site of the modern day Alcázar of Seville.

The Almohad princes had a longer and more distinguished career than the Almoravids. The successors of Abd al-Mumin, Abu Yaqub Yusuf (Yusuf I, ruled 1163–1184) and Abu Yusuf Yaqub al-Mansur (Yaʻqūb I, ruled 1184–1199), were both able men. Initially their government drove many Jewish and Christian subjects to take refuge in the growing Christian states of Portugal, Castile, and Aragon. Ultimately they became less fanatical than the Almoravids, and Ya'qub al-Mansur was a highly accomplished man who wrote a good Arabic style and protected the philosopher Averroes. His title of "al-Manṣūr" ("the Victorious") was earned by his victory over Alfonso VIII of Castile in the Battle of Alarcos (1195).