This chinese garden, located in the center of beijing (once known as dadu), was built from 1406 to 1420 is around 180 acres in size, consists of 17 palaces (most with their own courtyards), 980 total buildings, and a 4 mile north-south primary

Forbidden City

Explanation:

Forbidden City is the place described.

It's a complex of palaces open to the public and tourism. Has that name because, in the past, to enter there the people needed to have express authorization from the emperor since during the Ming dynasty and until the end of the Qing it was used as a home for emperors as well as to deal with political issues. It was declared a World Heritage Site in 1987.