Oran is a major coastal city located in the northwest of Algeria. It is considered the second most important city of Algeria, after the capital, Algiers, because of its population and commercial, industrial and cultural importance. It is 432 km (268 mi) west-southwest from Algiers. The total population of the city was 803,329 in 2008, while the metropolitan area has a population of approximately 1,500,000, making it the second-largest city in Algeria.
The Regency of Algiers was an autonomous eyalet of the Ottoman Empire in what was known as the Barbary coast of North Africa from 1516 to 1830. It was an early modern tributary state founded by the corsair brothers Oruç and Hayreddin Barbarossa, then ruled by viceroys, which later became a sovereign military republic. The Regency was infamous for its Barbary corsairs, and a formidable pirate base for maritime Holy war and plunder against Christian powers. It was also the strongest Barbary state. Situated between the Regency of Tunis in the east, the Sharifian Sultanate of Morocco and Spanish Oran in the west, the Regency originally extended its borders from the Oued Mellègue river in the east to Moulouya river in the west and from Collo to Ouargla, with nominal authority over the Tuat and In Salah to the south. At the end of the Regency, it extended to the present eastern and western borders of Algeria.
Between April and June 1563 the Regency of Algiers launched a major military campaign to retake the Spanish military-bases of Oran and Mers el Kébir on the North African coast, occupied by Spain since 1505. The sieges of Oran and Mers El Kébir of 1563 represented a major Hispano-Algerian episode in the larger Ottoman-Habsburg wars of the Mediterranean. The Kingdom of Algiers, the Principalities of Kabyle, and other vassal tribes combined forces as one army under Hasan Pasha, son of Hayreddin Barbarossa, and Jafar Catania. The Spanish commander brothers, Alonso de Córdoba Count of Alcaudete and Martín de Córdoba, managed to hold the strongholds of Oran and Mers El Kébir, respectively, until the relief fleet of Francisco de Mendoza arrived to successfully defeat the offensive.
The Expedition of Mostaganem occurred in 1558, when Spanish forces attempted to capture the city of Mostaganem. The expedition was supposed to be a decisive step in the conquest of the Ottoman base of Algiers, but it ended in failure, and has been called a "disaster".
Hasan Pasha was the son of Hayreddin Barbarossa and three-times Beylerbey of the Regency of Algiers. His mother was a Moorish woman from Algiers. He succeeded his father as ruler of Algiers, and replaced Barbarossa's deputy Hasan Agha, who had been effectively holding the position of ruler of Algiers since 1533.
The Battle of Wadi al-Laban occurred in March–April 1558 between Saadians and Ottoman Algerian forces under Hasan Pasha, the son of Hayreddin Barbarossa. It took place north of Fes, at Wadi al-Laban, an affluent of the Sebou River, one day north of Fes.
Turkey–Morocco relations are the foreign relations between Morocco and Turkey, and spanned a period of several centuries, from the early 16th century when the Ottoman Empire neighbored Morocco to until modern times.
Martín Alonso Fernández de Córdoba Montemayor y Velasco was a Spanish nobleman, first Count of Alcaudete, Viceroy of Navarra, and governor of Oran.
Martín de Córdoba y Velasco, was marqués de Cortes and governor of Oran.
Abu Abdallah V was a Sultan of the Kingdom of Tlemcen in Algeria. He was a son of Abu Abdallah IV. In the beginning of his reign the Oran Fatwa were made during his reign he defeated spain in the battle of Mers-el-Kebir (1507) and lost Oran in 1509, he also according some sources had to be vassal of Aragon in 1512 which will be ended by the failed expedition to Tlemcen by Spain and indefinitively ended by the ruler Abu Zayyan IV and his struggle against Spain in Tlemcen and his brother allied to them in June 1543 by the support of Iznassen tribe.
The Campaign of Tlemcen or Tlemcen campaign was a military operation led by the Saadians of Mohammed ash-Sheikh against Tlemcen in 1557, then under the domination of the Regency of Algiers, a vassal state of the Ottoman Empire. Mohammed ash-Sheikh, who wanted to conquer Algeria, occupied the city but failed to seize the Mechouar Palace which was defended by a garrison of 500 men under the command of Caid Saffa.
The Campaign of Tlemcen (1551) was a military operation led by the Regency of Algiers under Hasan Pasha and his ally Abdelaziz, following the capture of Tlemcen by the Saadi Sultanate in June 1550.
The Beylik of the West was one of three Beyliks (governorates) of the Regency of Algiers, with the other two being the Beylik of Titteri and the Beylik of Constantine. It was established in 1563, and it was ended during the French conquest.
Mustapha Bouchelaghem, also known as Bey Bouchelaghem was the Bey of the Western Beylik from 1686 to 1734/37.
The siege of Oran was a battle between the Spanish Empire and the Regency of Algiers. It was started by Mustapha Bouchelaghem, the Bey of Mascara. The Algerian victory in the battle led to the city being reconquered by the Algerians for 24 years (1708–1732), before Spanish forces reconquered the town in 1732.
The siege of Oran (1693) was an attempt by the Alaouite sultan Ismail Ibn Sharif to take the city of Oran, which was then under Spanish rule. After being defeated by the Spanish, he was attacked and defeated again by the Algerian Arab tribes while retreating from the territory.
The Expedition to Mostaganem of 1547 was a failed Spanish expedition mounted against Mostaganem by the Spanish forces of Count Alcaudete.
The Battle of Oued Zadidja occurred in 1551 after the Saadians violated an alliance with the Regency of Algiers, the Saadians were defeated and their leader was killed.
Mohammed ben Othman, also known as Mohammed el Kebir was the Bey of the Western Beylik from 1776 to 1796. He is most well known for re-conquering Oran and Mers El Kébir from the Spaniards. He was known as a reformist.
Alfonso de Córdoba y Velasco was a Spanish nobleman, II Count of Alcaudete, Viceroy of Navarra, and governor of Oran.
Regency of Algiers 
Spanish Empire