Where is the land of Khorasan?

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Tags

1. #islamic
2. #southern
3. #uzbekistan
4. #khorasan
5. #samarkand
6. #turkmenistan
7. #balkh
8. #northeastern
9. #afghanistan
10. #period
11. #cities
12. #mashhad
13. #bukhara
14. #nishapur
15. #herat