Although Mashhad owns the cultural heritage of Tus including its figures like , , , , , and , earlier Arab geographers have correctly identified Mashhad and Tus as two separate cities that are now located about 19 kilometres 12 miles from each other.
Retrieved 7 January 2018.
Retrieved 6 January 2018.
Also in the sources, which the narrators connect to the 7th to 9th centuries AD, there are quotations that and are buried in a city founded by "The righteous servant, The two-horned one", which title that known for Alexander the Great.
It is also home to the Mashhad Airbase formerly Imam Reza airbase , jointly a military installation housing Mirage aircraft, and a civilian international airport.
About the middle of the 14th century, the traveller Ibn Battuta uses the expression "town of Mashhad al-Rida".