Inside the Parthenon from East to NW
On the interior, the cella (main body) of the building is divided into two rooms: to the East the Treasury and to the West the Naos (temple). The treasury is 13.4 meters (44 feet) long and 19.2 (63 feet) wide having four columns arranged in a rectangle 4.9 by 7 meters (16 by 23 feet) in the center of the room. These columns are Ionic and 12.5 meters (41 feet high), 1.8 meters (6 feet) in diameter at the base and 1.1 meters (3 1/2 feet) in diameter at the top. Decorations of this room are Ionic. This was the room in which the priests deposited valuable gifts brought by worshipers.