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
Thrace (theme) the Palaiologan period, but it is still encountered in some historians of the time as an antiquarian term. Thrace (theme) The Theme of Thrace () was a province ("thema" or theme) of the Byzantine Empire located in the south-eastern Balkans, comprising varying parts of the eponymous geographic region during its history. Traditionally, it has been held that the theme (at the time primarily a military command) was constituted in c. 680, as a response to the Bulgar threat. This is based on the mention of a certain "patrikios" Theodore, Count of the "Opsikion" and "hypostrategos" of Thrace, in 680/681. However,