Islam spread to Serbia during the five centuries of Ottoman rule. The Muslims in Serbia are mostly ethnic Bosniaks, Albanians and minor but significant part of Roma people as well as members of the smaller ethnic groups Muslims by nationality and Gorani.
According to 2011 census, there were 228,658 Muslims in Serbia (3.1% of total population, excluding Kosovo). Largest concentration of Muslims in Serbia could be found in the municipalities of Novi Pazar, Tutin and Sjenica in the Sandžak region, and in the municipalities of Preševo and Bujanovac in the Preševo Valley.
Adherents of Islam in Serbia are organized into two separate bodies: the Islamic Community of Serbia subordinate to the Islamic Community of Bosnia and Herzegovina, and the Islamic Community in Serbia founded in 2007 which traces its origins to the Principality of Serbia. In 2012, the reis-ul-ulema Mustafa Cerić of Bosnia published a fatwa against Adem Zilkić, leader of the Islamic Community of Serbia, categorizing his actions as Masjid al-Dirar.
The Islamic Community of Serbia (Islamska zajednica Srbije), with seat in Belgrade, is administered by reis-ul-ulema Adem Zilkić. It is divided into: