Olga (Russian: О́льга) is an urban locality (an urban-type settlement) and the administrative center of Olginsky District of Primorsky Krai, Russia, located on the Olga Bay of the Sea of Japan, 240 kilometers (150 mi) northeast of Nakhodka.
[3] During the Balhae Kingdom period, a town called Anju was founded near the present-day Olga, on the shores of the Olga Bay.
The military post of Olga was established by the Russians in 1858,[4] several months after the region passed to Russia under the terms of the Treaty of Aigun.
In the 19th century, it had a significant Chinese minority.
This town has a similar name to the eldest daughter of Nicholas II.