Early Quranic manuscripts
The Topkapi manuscript is an early manuscript of the Quran dated to the early 8th century. This manuscript is kept in the Topkapi Palace Museum, Istanbul, Turkey. It was wrongly attributed to Uthman Ibn Affan (d. 656), but judging from its illumination, the Topkapi manuscript does not date from the period (mid 7th century) when the copies of the Caliph Uthman were written.
Tokat
The most important landmark is Tokat Castle, an Ottoman citadel with 28 towers on a rocky hill overlooking the town. Vlad the Impaler (Count Dracula) was imprisoned in one of its dungeons. Other sights include the remains of several Greek Orthodox churches and a cathedral, the Garipler Mosque dating to the 12th century, the Ali Paşa Mosque (16th century), and the Gök Medrese (Pervane Bey Darussifasi), which was constructed in 1270. It was founded as a school of theology, and is now converted into a museum, housing archaeological finds from the area.