Alferce
Alferce is a freguesia in the Monchique Municipality. The population in 2011 was 441, in an area of 96.12 km².
Lies in this area remains of a medieval fortress from Muslim rule in Portugal known in Islamic sources as حصن المرجيق - Monchique fortress.
The fortress was captured in 1144 by the followers of Ibn Qasi from the Almoravids. Less than a century later, it became part of the Kingdom of Portugal who seized the fortress from Ibn Mahfuz, then leader of the Algarve region & Niebla.