The Isaaq is one of the main Somali clan

Somali clan

The demographics of Somalia describes the condition and overview of Somalia's inhabitants. Demographic topics include basic education, health and population statistics, as well as identified racial and religious affiliations.-Somalis:...

s. Members of the clan principally live in the northwestern Somaliland

Somaliland

Somaliland is an unrecognised self-declared sovereign state that is internationally recognised as an autonomous region of Somalia. The government of Somaliland regards itself as the successor state to the British Somaliland protectorate, which was independent for a few days in 1960 as the State of...

 region of Somalia

Somalia

Somalia , officially the Somali Republic and formerly known as the Somali Democratic Republic under Socialist rule, is a country located in the Horn of Africa. Since the outbreak of the Somali Civil War in 1991 there has been no central government control over most of the country's territory...

, and the Somali Region

Somali Region

Somali Region ; is the eastern-most of the nine ethnic divisions of Ethiopia. It is often called Somalia, though it is not to be confused with the independent country of the same name. The capital of Somali State is Jijiga...

 of Ethiopia

Ethiopia

Ethiopia , officially known as the Federal Democratic Republic of Ethiopia, is a country located in the Horn of Africa. It is the second-most populous nation in Africa, with over 82 million inhabitants, and the tenth-largest by area, occupying 1,100,000 km2...

. The populations of five major cities of Somaliland – Hargeisa

Hargeisa

Hargeisa is a city in the northwestern Woqooyi Galbeed region of Somalia. With a population of approximately 2 million residents, it is the second largest city in the country. Hargeisa is the capital of Somaliland, a self-declared republic that is internationally recognized as an autonomous region...

, Burco

Burco

Burao is the capital city of the Togdheer province in Somaliland, a self-declared republic that is internationally recognized as an autonomous region of Somalia. In terms of population, it is the second largest city in Somaliland after Hargeisa.-History:...

, Berbera

Berbera

Berbera is a city and seat of Berbera District in Somaliland, a self-proclaimed Independent Republic with de facto control over its own territory, which is recognized by the international community and the Somali Government as a part of Somalia...

, Ceerigaabo

Ceerigaabo

Erigavo or Erigabo is the administrative capital of the Sanaag region in northern Somalia.Local control is disputed between Somaliland, a self-declared independent republic that is internationally recognized as an autonomous region of Somalia, the autonomous Puntland region in northeastern...

 and Gabiley

Gabiley

Gabiley is a city in the northwestern Woqooyi Galbeed province of Somaliland, a self-declared republic that is internationally recognized as an autonomous region of Somalia.Gabiley is located 54 km west of Hargeisa, the capital of Somaliland...

 – are predominantly Isaaq. , the Sacad Muuse, Habar Awal and Jibriil Abokor sub-clans of the Isaaq were also the main inhabitants of Gabiley

Gabiley

Gabiley is a city in the northwestern Woqooyi Galbeed province of Somaliland, a self-declared republic that is internationally recognized as an autonomous region of Somalia.Gabiley is located 54 km west of Hargeisa, the capital of Somaliland...

.
According to early Islamic books and Somali tradition, the Isaaq clan was founded in the 12th or 13th century with the arrival of Shaykh

Sheikh

Not to be confused with sikhSheikh — also spelled Sheik or Shaikh, or transliterated as Shaykh — is an honorific in the Arabic language that literally means "elder" and carries the meaning "leader and/or governor"...

 Ishaq ibn Ahmad al- Hashimi from Arabia

Arabian Peninsula

The Arabian Peninsula is a land mass situated north-east of Africa. Also known as Arabia or the Arabian subcontinent, it is the world's largest peninsula and covers 3,237,500 km2...

, one of the Prophet Muhammad

Muhammad

Muhammad |ligature]] at U+FDF4 ;Arabic pronunciation varies regionally; the first vowel ranges from ~~; the second and the last vowel: ~~~. There are dialects which have no stress. In Egypt, it is pronounced not in religious contexts...

's early followers.