Complex sentence: All the temples were located in the center of the city except for the Ishtar temple and the area between the Enceinte Sacrée and the Massif Rouge is considered the administrative center of the high priest.
Split into simpler sentences: All the temples were located in the center of the city except for the Ishtar temple. The area between the Enceinte Sacrée and the Massif Rouge is considered the administrative center of the high priest.