would depend on their geographical position. The territory of the city was also divided into thirty trittyes as follows:
* ten trittyes in the coastal region (???????, paralia)
* ten trittyes in the ???? (astu), the urban centre
* ten trittyes in the rural interior, (u???????, mesogia).

A tribe consisted of three trittyes, selected at random, one from each of the three groups. Each tribe therefore always acted in the interest of all three