Matenadaran is an institute of ancient manuscripts. It is located in the center of Yerevan! The Matenadaran is one of the oldest and richest book-depositories in the world. Its collection of about 17000 manuscripts includes almost all the areas of ancient and medieval Armenian culture and sciences - history, geography, grammar, philosophy, law, medicine, mathematics-cosmography, theory of calendar, alchemy-chemistry, translations, literature, chronology, art history, miniature, music and theatre, as well as manuscripts in Arabic, Persian, Greek, Syrian, Latin, Ethiopian, Indian, Japanese and others.