دهستان مرزداران, Islamic Republic of Iran
Ribat-i Sharaf (Persian: رباط شرف, pronounced [ɹeˌbɒːt‿e ʃæˈɹæf]) is a historical caravanserai, or rest place for travellers, located in Razavi Khorasan province, Iran, between Merv and Nishapur. Built in the 12th century (first built 1114–15), the building looks like a fortified rectangle from the
exterior. The internal courtyard and four-iwan floor plan is a traditional characteristic of Iranian architecture and of Islamic architecture in the wider region.
Listen to the audio guide for رباط شر٠Free on WIP — starts by itself when you arrive, even with the screen off