Legal provisions for direct democracy at the regional level
Serbia
Article 182: Concept, establishment and territory of autonomous province
Autonomous provinces shall be autonomous territorial communities established by the Constitution, in which citizens exercise the right to the provincial autonomy.
In the Republic of Serbia, there are the Autonomous Province of Vojvodina and the Autonomous Province of Kosovo and Metohija. The substantial autonomy of the Autonomous province of Kosovo and Metohija shall be regulated by the special law which shall be adopted in accordance with the proceedings envisaged for amending the Constitution.
New autonomous provinces may be established, and already established ones may be revoked or merged following the proceedings envisaged for amending the Constitution.
The proposal to establish new, or revoke or merge the existing autonomous provinces shall be established by citizens in a referendum, in accordance with the Law.
Territory of autonomous provinces and the terms under which borders between autonomous provinces may be altered shall be regulated by the Law. Territory of autonomous provinces may not be altered without the consent of its citizens given in a referendum, in accordance with the Law.
See this link to know more about administrative divisions of Serbia.
Serbia is a unitary state, and thus there are no regional entities, except two autonomous provinces (Autonomna Pokrajina Vojvodina and Autonomna Pokrajina Kosovo-Metohija). Data for this question relates only to those two autonomous provinces.
