Ancient city in Iran
Tus
Tus is an ancient city in Khorasan near Mashhad, Razavi Khorasan province, Iran.
To the ancient Greeks, it was known as Susia. It was also known as Tusa. Tus was divided into four cities, Tabran, Radakan, Noan and Teroid, which in combination formed largest city in the region in the fifth century.
Text adapted from Wikipedia, CC BY-SA 4.0. Photograph: Wikimedia Commons (see Commons), Wikimedia Commons.