Bithyni

Bithynia, the region inhabited by the Bithyni
Strymon river, where the Bithyni are said to have originally lived under the name Strymoni

The Bithyni (/ˈbɪθɪnaɪ/; Ancient Greek: Βιθυνοί, romanized: Bithunoí; Latin: Bithyni) were a Thracian tribe who lived in northwestern Anatolia, in the region which was named Bithynia after them by the Ancient Greeks.