Based on the provided source material, there is no information regarding a city named Sahin in Turkey. The text identifies Şahin as a Turkish and Tatar name of Persian origin meaning "hawk" or "falcon."
The name was attributed to various individuals and families across different ethnicities and religions within the Republic of Turkey following the enactment of the 1934 Surname Law after the fall of the Ottoman Empire. Variations of the name include Shahin, which may refer to a 14th-century Jewish poet, and Chahine, used by Christians in Lebanon.