The population of Saravan County is 147,757.

Daneshgah Azad Saravan F.C. was created in 2007.

The name Saravanan in Tamil means "son of Saravan" where Saravan refers to the Hindu god Murugan. It is a popular name among Tamil-speaking people, especially those who are devotees of Murugan.

It is unclear what is being asked here.

If what is meant to is to ask about the COUNTRIES (note the "r") to the east of Iran, those would be, from north to south: Turkmenistan, Afghanistan, and Pakistan.

If what is meant is to ask what are the easternmost counties (shahrestan in Farsi) of Iran, they are from north to south: Sarakhs, Torbat-e-Jam, Taybad, Khaf (all in Razavi Khorasan Province), Zirkuh, Darmis, Sarbisheh, Nehbandan (all in South Khorasan Province), Zabol, Zahedan, Khash, Saravan, Sarbaz, and Chahbahar (all in Sistan and Baluchestan Province).

what desert is on the northern Iran on the plateau of Iran