

The complex was taken by the army of Alexander the Great in 330 BC, and soon after its wooden parts were completely destroyed by fire, likely deliberately. It is also unclear what permanent structures there were outside the palace complex it may be better to think of Persepolis as only one complex rather than a "city" in the usual sense. The Iranian nobility and the tributary parts of the empire came to present gifts to the king, as represented in the stairway reliefs. Until recently, most archaeologists held that it was primarily used for celebrating Nowruz, the Persian New Year, held at the spring equinox, which is still an important annual festivity in modern Iran. It was not one of the largest cities in Persia, let alone the rest of the empire, but appears to have been a grand ceremonial complex that was only occupied seasonally it is still not entirely clear where the king's private quarters actually were. The function of Persepolis remains unclear. The complex is raised high on a walled platform, with five "palaces" or halls of varying size, and grand entrances. UNESCO declared the ruins of Persepolis a World Heritage Site in 1979.

It exemplifies the Achaemenid style of architecture. The earliest remains of Persepolis date back to 515 BC. Modern day Shiraz is situated 60 km (37 mi) southwest of the ruins of Persepolis. It is situated in the plains of Marvdasht, encircled by southern Zagros mountains of the Iranian plateau. Persepolis ( / p ər ˈ s ɛ p ə l ɪ s/ Old Persian: 𐎱𐎠𐎼𐎿, romanized: Pārsa New Persian: تخت جمشید, romanized: Takht-e Jamshīd, lit.'Throne of Jamshid') was the ceremonial capital of the Achaemenid Empire ( c.
