The Second Battle of Kalaa of the Beni Abbes took place in October 1559. It opposed the regency of Algiers and its ally of circumstance the Kingdom of Kuku to the Kingdom of Ait Abbas.

Second Battle of Kalaa of the Beni Abbes (1559)
Historic map of Kingdom Beni Abbès and Koukou.
Date January–February 1559 Location Kalâa of Ait Abbas, Bejaia Algeria Result Peace with the Regency of Algiers • Maintaining the Kingdom of the Beni Abbes • withdrawal of the regency of Algiers Army Territorial changes No change
Belligerents
Kingdom of Ait Abbas Supported by: Spanish empire	Regency of Algiers Kuku (Ally)
Commanders and leaders
Abdelaziz Labbes  † Ahmed Amokrane	Hasan Bacha Sultan Ben El Kadi
Strength
Kingdom of Ait Abbas : 4000 infantry 5000 cavaliers Spanish reinforcements : 1000 man	Regency of Algiers : 3000 arquebusiers 2000 Janissaries 500 spahis 6 000 Arab cavaliers Kingdom of Kuku : 1500 infantry 300 cavaliers
Casualties and losses
Unknown	Unknown, but high

Hassan Pasha ordered an expedition against the capital of the kingdom, the Kalâa of Ait Abbas, to take revenge on the expedition of Sultan Abdelaziz of Kalaa, which had destroyed the forts of Medjana and Bordj Bou Arreridj, in order to annihilate his influence. On the second day of the fighting, Sultan Abdelaziz was killed. His brother Sultan Ahmed Amokrane succeeded him, and his soldiers maintained their position. After eight days, Hassan Pasha, seeing that his position had not evolved, and his army was experiencing losses every day, as well as difficulties related to the terrain, had to retreat.^[1][2] Nevertheless, the Turks returned to Algiers with the head of the sultan Abdelaziz as a trophy^[1]