Qalat Ibn Salama or Qalaât Ibn Salama is a fortress (Qalaât means Fortress in Arabic) near Tihert (present-day Tiaret, Algeria). This place is famous to have sheltered Ibn Khaldun for four years, between 1375 and 1379 and in this place where he began composing his Muqaddimah (known as Prolegomenon in Greek). This fortress is situated on a piton nearby of Taghzout at about 3 miles North West of Frenda in the current wilaya of Tiaret in Algeria.

External links: http://www.frenda.org/taoughzout.htm

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