Wikipedia
Derveni
Derveni may refer to the following places:
Derveni (Metsovo)
In various Turkish firmans, the area of Metsovo is referred to as derbent (, "passage") and its residents as derbendcis, meaning guards of the passage. Such passages ( dervenia) constituted key aspects of the land and road organization system of the Ottoman state. Often, the responsibility for their security and maintenance was undertaken by the residents of a town or area, who in exchange enjoyed reduced taxation.