Yeşilırmak (river)
The Yeşilırmak is a river in northern Turkey. From its source north-east of Sivas, it flows past Tokat and Amasya, and reaches the Black Sea at Samsun after.
Its tributaries include the Çekerek and the Kelkit.
It is mentioned by Menippus of Pergamon in the 1st century BC.
Strabo's Geographica describes it as flowing through Comana Pontica, the plain of Dazimonitis , and Gaziura before receiving the waters of the Scylax, then flowing through Amaseia before reaching the valley of Phanaroea.