Anadyr /Ана́дырь

The Anadyr (Russian: Анадырь [ɐˈnadɨrʲ]; Northern Yukaghir: Онандырь, romanized: Onandyr’; Chukot: Йъаайваам, romanized: J’āiwām) is a river in the far northeast of Siberia which flows into the Gulf of Anadyr of the Bering Sea and drains much of the interior of Chukotka Autonomous Okrug. Its basin corresponds to the Anadyrsky District of Chukotka.

Source: Wikipedia https://en.wikipedia.org/wiki/Anadyr_(river)