43°44′40″N 135°17′5″E / 43.74444°N 135.28472°E / 43.74444; 135.28472
Olga (Russian: О́льга) is an urban locality (anurban-type settlement) and the administrative centerofOlginsky DistrictofPrimorsky Krai, Russia, located on the Olga Bay of the Sea of Japan, 240 kilometers (150 mi) northeast of Nakhodka. Population: 4,026 (2010 Russian census);[1] 4,453 (2002 Census);[2] 4,802 (1989 Soviet census).[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. It was named for St. Olga. In the 19th century, it had a significant Chinese minority. This town has a similar name to the eldest daughter of Nicholas II.