Mu'jam Al-Buldan
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Kitab mu'jam al-buldan is a book by Islamic scholar Yaqut al-Hamawi.
Yakut is famous for his encyclopedic books, especially Kitab mu'jam al-buldân (Arabic معجم البلدان), which he started in 1224 and finished in 1228 CE, one year before he died.
It's a kind of "literary geography", because the book covers the history, ethnography, and myths related to the places.