The lagoon of Xirolimni is located near Arogi village. A strip of sand separates the lagoon from the sea and it is an important habitat for many species of birds found in the area such as flamingos.
The Regional Unit of Rhodope belongs to Eastern Macedonia and Thrace and lies between the prefectures of Evros and Xanthi. It extends from the Greek-Bulgarian border to the shores of the Thracian Sea.