The Almoravids were a Berber

Berber

Berber may refer to:*a member of the Berber people**the Berber languages, a family of Afro-Asiatic languages**Berberism, a political-cultural term supporting a distinct Berber identity**Berber calendar**Berber cuisine...

 dynasty

Dynasty

A dynasty is a sequence of rulers considered members of the same family. Historians traditionally consider many sovereign states' history within a framework of successive dynasties, e.g., China, Ancient Egypt and the Persian Empire...

 of Morocco

Morocco

Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

, who formed an empire in the 11th-century that stretched over the western Maghreb

Maghreb

The Maghreb is the region of Northwest Africa, west of Egypt. It includes five countries: Morocco, Algeria, Tunisia, Libya, and Mauritania and the disputed territory of Western Sahara...

 and Al-Andalus

Al-Andalus

Al-Andalus was the Arabic name given to a nation and territorial region also commonly referred to as Moorish Iberia. The name describes parts of the Iberian Peninsula and Septimania governed by Muslims , at various times in the period between 711 and 1492, although the territorial boundaries...

. Their capital was Marrakesh, a city which they founded in 1062 C.E. The dynasty originated amongst the Lamtuna

Lamtuna

The Lamtuna were a powerful nomadic Berber tribe belonging to the Senhaja inhabiting the western Sahara.During the eighth century the Lamtuna created a kingdom out of a confederation of Berber tribes, which they dominated until the early tenth century. The Lamtuna probably did not convert to Islam...

 and the Gudala, which were nomadic Berber tribes of the Sahara

Sahara

The Sahara is the world's second largest desert, after Antarctica. At over , it covers most of Northern Africa, making it almost as large as Europe or the United States. The Sahara stretches from the Red Sea, including parts of the Mediterranean coasts, to the outskirts of the Atlantic Ocean...

 traversing the territory between southern Morocco, the Niger river

Niger River

The Niger River is the principal river of western Africa, extending about . Its drainage basin is in area. Its source is in the Guinea Highlands in southeastern Guinea...

 and the Senegal river

Sénégal River

The Sénégal River is a long river in West Africa that forms the border between Senegal and Mauritania.The Sénégal's headwaters are the Semefé and Bafing rivers which both originate in Guinea; they form a small part of the Guinean-Malian border before coming together at Bafoulabé in Mali...

.

The Almoravids were crucial in avoiding a precipitated fall of Al-Andalus

Al-Andalus

Al-Andalus was the Arabic name given to a nation and territorial region also commonly referred to as Moorish Iberia. The name describes parts of the Iberian Peninsula and Septimania governed by Muslims , at various times in the period between 711 and 1492, although the territorial boundaries...

 to the Iberian Christian kingdoms, when they decisively beat a coalition of the Castilian

Kingdom of Castile

Kingdom of Castile was one of the medieval kingdoms of the Iberian Peninsula. It emerged as a political autonomous entity in the 9th century. It was called County of Castile and was held in vassalage from the Kingdom of León. Its name comes from the host of castles constructed in the region...

 and Aragonese

Kingdom of Aragon

The Kingdom of Aragon was a medieval and early modern kingdom in the Iberian Peninsula, corresponding to the modern-day autonomous community of Aragon, in Spain...

 armies at the Battle of Sagrajas.