Didymoteicho is a municipality of the Region of Eastern Macedonia and Thrace, with Didymoteicho as its headquarters and largest city. It has an area of 565.4 sq. km. and a population of about 19 thousand inhabitants. The Municipality of Didymoteicho consists of 2 municipal units. That of the municipal unit of the same name and the municipal unit of Metaxadon. The Municipality borders to the north with the Municipality of Orestiada, to the south with the Municipality of Soufli, to the west with Bulgaria and to the east is the river Evros and the border with Turkey. Its permanent population is 186 inhabitants in a total of three settlements:  Megalo Chorio, Mikro Chorio and Agios Georgios which is the port of the island. Also, the inhabitants are engaged in animal husbandry, agriculture, fishing and in recent years in tourism. With reference to the island’s name, it comes from paretymology of the thorn grass plant (‘agathi’ in greek) that is abundant on the island. Agathonisis’s highest place is the area Dendra at 209 meters. What’s more, there are six rocky islets around the island: In the south is Kouneli, in the north is Nero, Strongilo, the Piato, the Psathonisi and Praso, and in the east is Katsagani.