Trajan's Column is located in Trajan's Forum, built near the Quirinal Hill, north of which rectangular forum (plaza) surrounded by the ruins of several important ancient government buildings at the center of the city of Rome?
Trajan's Column:  It is located in Trajan's Forum, built near the Quirinal Hill, north of the Roman Forum. Roman Forum: The Roman Forum, also known by its Latin name Forum Romanum (Italian: "Foro Romano" ), is a rectangular forum (plaza) surrounded by the ruins of several important ancient government buildings at the center of the city of Rome.
Roman Forum