Harrak refers to the last name carried by the Northern Moroccan

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...

 families that descend from the sons of Al-Harrak; one of the direct descendents of Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

ic 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...

 through Imam Ali and Fatima Zahra

Fatimah

Fatimah was a daughter of the Islamic prophet Muhammad from his first wife Khadijah bint Khuwaylid. She is regarded by Muslims as an exemplar for men and women. She remained at her father's side through the difficulties suffered by him at the hands of the Quraysh of Mecca...

.
Al Harrak sons and grandsons carry the last names of: Harrak, Harraki, Harraq, Arraki, Al Harrak, Harrak Srifi, Al Harrak Al Srifi, and also El Harrak. Some variant namings exist such as: Charif al Harrak or Sayyed al Harrak; as Charif, Sharif

Sharif

Sharīf or Chérif is a traditional Arab tribal title given to those who serve as the protector of the tribe and all tribal assets, such as property, wells, and land. In origin, the word is an adjective meaning "noble", "highborn". The feminine singular is sharifa...

 and Sayyed (also Sayid, Sayyid and Sayed) are terms used for the descendents of 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...

.
Harrak families originate from the Srif tribe known also as Ahl Srif, and they are from the Idrissites Alawite Musawite branch.