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| Palazzo Colonna | |
|---|---|
 Palazzo Colonna in 2005 | |
 Click on the map for a fullscreen view | |
| General information | |
| Coordinates | 41°53′51″N 12°29′03″E / 41.897636°N 12.484214°E |
The Palazzo Colonna (Italian pronunciation: [paˈlattso koˈlonna, - koˈlɔnna]) is a palatial block of buildings in central Rome, Italy, at the base of the Quirinal Hill, and adjacent to the church of Santi Apostoli. It is built in part over the ruins of an old Roman serapeum, and it has belonged to the prominent Colonna family for over twenty generations.