We don't know for sure but it was probably the hanging gardens and the main temple.
Important center of Trade
It was located in Babylon.
Babylon
Babylon was located in what is now Iraq.
the empire of Babylon was located in the middle of Mesopotamia.
The center of his Empire was Babylon.
The center of the intersection of Main St and Carll Ave in Babylon, New York is located at 40.69583° north latitude 73.32572° west longitude.
Babylon, where the clan of Chaldeans were
The Great Pyramid and the Sphinx are located in Egypt, and the Hanging Gardens of Babylon were located in Babylon.
The Babylon Empire was located along the Euphrates river.
Babylon
Babylon was the center for the Chaldean Empire. Hope it help