ナルヴァ川
The bay has an approximate length of , width of to , and a depth of . It is part of the larger bay formed with Ussuri Bay to which it is connected by the Eastern Bosphorus, and separated by the Muravyov-Amursky Peninsula and Eugénie Archipelago. The Amba River, Razdolnaya River, Narva River, and Barabashevka River all flow into Amur Bay.