[citation needed] The more ancient Old Persian name of the region – prior to Saka dominance – was Zaranka or Drangiana ("waterland").

[citation needed] This older form is also the root of the name Zaranj, capital of the Afghan Nimruz Province.

Sistan had a very strong connection with Zoroastrianism and during Sassanid times Lake Hamun was one of two pilgrimage sites for followers of that religion.

In Zoroastrian tradition, the lake is the keeper of Zoroaster's seed and just before the final renovation of the world, three maidens will enter the lake, each then giving birth to the saoshyans who will be the saviours of mankind at the final renovation of the world.

In the Shahnameh, Sistan is also referred to as Zabulistan, after the region in the eastern part of present-day Afghanistan.

240, during the reign of Shapur I, in his effort to centralise the empire; before that, the province was under the rule of the Parthian Suren Kingdom, whose ruler Ardashir Sakanshah became a Sasanian vassal Its people were Zoroastrian.

Sistan had a very strong connection with Zoroastrianism and during Sassanid times Lake Hamun was one of two pilgrimage sites for followers of that religion.

In Zoroastrian tradition, the lake is the keeper of Zoroaster's seed and just before the final renovation of the world, three maidens will enter the lake, each then giving birth to the saoshyans who will be the saviours of mankind at the final renovation of the world.

During the Muslim conquest of Persia, the last Sasanian king Yazdegerd III fled to Sakastan in the mid-640s, where its governor Aparviz (who was more or less independent), helped him.

However, Yazdegerd III quickly ended this support when he demanded tax money that he had failed to pay.

After having crossed the Dasht-i Lut desert, Mujashi ibn Mas'ud arrived to Sakastan.

When Aparviz went to Rabi to discuss about the conditions of a treaty, he saw that he was using the bodies of two dead soldiers as a chair.

The Saffarid dynasty, which was the first fully independent Iranian empire after the Arab rule, was founded by Ya’qub Bin Laith Saffari.

[13] A religious hymn in the Sistani dialect remains, which is attributed to the end of the Sassanid period.

Festivals and happy events that consist of pleated pants, a shirt up to the knee with two slits on both sides.