Pasargadae (/pəˈsɑːrɡədi/; from Pāθra-gadā, lit. 'protective club' or 'strong club'; Persian: پاسارگاد, romanized: Pāsārgād) was the capital of the Achaemenid Empire under Cyrus the Great (559–530 BC), located just north of the town of Madar-e-Soleyman and about 90 kilometres (56 mi) to the northeast of the city of Shiraz. It is one of Iran's UNESCO World Heritage Sites. It is considered to be the location of the Tomb of Cyrus, a tomb previously attributed to Madar-e-Soleyman, the "Mother of Solomon". It is a national tourist site administered by the Iranian culture of world heritage.

Pasargadae was founded in the 6th century BCE as the first capital of the Achaemenid Empire by Cyrus the Great, near the site of his victory over the Median king Astyages in 550 BCE. The city is named after his own royal clan. It remained the Achaemenid capital until Darius moved it to Persepolis.

The archaeological site covers 1.6 square kilometres (0.62 sq mi) and includes a structure commonly believed to be the mausoleum of Cyrus, the fortress of Toll-e Takht sitting on top of a nearby hill, and the remains of two royal palaces and gardens. Pasargadae Persian Gardens provide the earliest known example of the Persian chahar bagh, or fourfold garden design (see Persian Gardens).

The remains of the tomb of Cyrus' son and successor Cambyses II have been found in Pasargadae, near the fortress of Toll-e Takht, and identified in 2006.

The Gate R, located at the eastern edge of the palace area, is the oldest known freestanding propylaeum. It may have been the architectural predecessor of the Gate of All Nations at Persepolis.

The most important monument in Pasargadae is the tomb of Cyrus the Great. It has six broad steps leading to the sepulchre, the chamber of which measures 3.17 metres (10.4 ft) long by 2.11 metres (6 ft 11 in) wide by 2.11 metres (6 ft 11 in) high and has a low and narrow entrance. Though there is no firm evidence identifying the tomb as that of Cyrus, Greek historians say that Alexander believed it was. When Alexander looted and destroyed Persepolis, he paid a visit to the tomb of Cyrus. Arrian recorded in the second century CE that Alexander commanded Aristobulus, one of his warriors, to enter the monument. Inside he found a golden bed, a table set with drinking vessels, a gold coffin, some ornaments studded with precious stones and an inscription on the tomb. No trace of any such inscription survives, and there is considerable disagreement about the exact wording of the text. According to Strabo and Arrian report it said:

Passer-by, I am Cyrus, who gave the Persians an empire, and was king of Asia.
Grudge me not therefore this monument.

The design of Cyrus' tomb is credited to Mesopotamian or Elamite ziggurats, but the cella is usually attributed to Urartu tombs of an earlier period. In particular, the tomb at Pasargadae has almost exactly the same dimensions as the tomb of Alyattes, father of the Lydian King Croesus; however, some have refused the claim (according to Herodotus, Croesus was spared by Cyrus during the conquest of Lydia, and became a member of Cyrus' court). The main decoration on the tomb is a rosette design over the door within the gable. In general, the art and architecture found at Pasargadae exemplified the Persian synthesis of various traditions, drawing on precedents from Elam, Babylon, Assyria, and ancient Egypt, with the addition of some Anatolian influences.