Alevism (/'ælɛvij/, also /æˈlɛviː/ or /əˈleɪviː/, Turkish: Alevîlik or Turkish: Anadolu Alevîliği/Alevileri, also called Qizilbash, or Shī‘ah Imāmī-Tasawwufī Ṭarīqah, Shīʿah-ee Bāṭen’īyyah) is a syncretic, heterodox form of Islam, following Shia, Sufi, Sunni and local traditions, whose adherents follow the mystical (bāṭenī) teachings of Ali, the Twelve Imams, and a descendant -- the 13th century Alevi saint Haji Bektash Veli. Alevis are found primarily in Turkey among ethnic Turks and Kurds, and make up between 10-25% of Turkey's population, the largest branches of Islam there after the majority Sunni.
Some of the differences that mark Alevis from mainstream Muslims are the use of cemevi halls rather than mosques; worship ceremonies that feature wine, music and dancing, and where both women and men participate; non-observance of the five daily salat prayers and prostrations (they only bow twice in the presence of their spiritual leader), Ramadan, and the Hajj (considering true pilgrimage to be internal one). Alevis have some links with Twelver Shia Islam (such as importance of the Ahl al-Bayt, the day of Ashura, the Mourning of Muharram, commemorating Karbala), but do not follow taqlid towards a Marja' "source of emulation". Some practices of the Alevis are based on Sufi elements of the Bektashitariqa.