This city’s history was the subject of the only work by Narshakhi, who said that Qutayba (“koo-TAY-bah”) ibn Muslim had to convert its populace four times to Islam before they stopped apostatizing. Nuh I ruled an empire based in this city after stopping an army coup that sought to depose his father, Nasr II. This city’s ruler Ubaydullah Khan defeated a Safavid army at the Battle of Ghazdewan and built the mosque that accompanied its (-5[1])Kalyan minaret. It’s not Tabriz, but this city’s massive fortress called the “Ark” was the site of a library used to write the scientific encyclopedia Kitāb al-Shifāʾ. This city is the site of the mausoleum of Ismail Samani, who made it the capital of the Samanid Empire. This city twice traded off with Samarkand as capital of its namesake khanate. For 10 points, what home city of Ibn Sina and the author of the most authentic Ṣaḥīḥ collection of hadith is found in modern-day (10[1])Uzbekistan? (10[1]) ■END■