Decentralized Administration of Macedonia and Thrace municipalities and regions, in this case the 60 municipalities of Central Macedonia and of Eastern Macedonia and Thrace, and the two regions themselves. Covering an area of "Macedonia and Thrace" is the largest of the seven decentralized administrations by area, and with an overall population of it is also the second most populated one, following the Decentralized Administration of Attica. In the revised European NUTS nomenclature, the two regions of "Macedonia and Thrace" together with the two regions of the Decentralized Administration of Epirus and Western Macedonia form the first level NUTS region EL5 (Voreia Ellada). The Decentralized Administration is
Eastern Macedonia and Thrace governor and former Prefect of Rhodopi, (PASOK), elected in the 2010 regional election. The region is home to Greece's main Muslim minority, made up mainly of Pomaks and Western Thrace Turks, whose presence dates to the Ottoman period. Unlike the Muslims of Greek Macedonia, Epirus, and elsewhere in northern Greece, they were exempted from the Greek-Turkish population exchange following the 1923 Treaty of Lausanne (1923). According to the 1991 census, the Muslim minority numbered around 98,000 people or 29% of the population of Western Thrace, of which about half were Western Thrace Turks and the rest (35%) Pomaks and Muslim