Otaru (ōtäˈrō) [key], city (1990 pop. 163,211), SW Hokkaido, Japan, on Ishikari Bay. A major port and Hokkaido's main commercial and industrial center, Otaru is the site of the Asarigawa Spa and the Otaru Aquarium.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on Otaru from Fact Monster:
See more Encyclopedia articles on: Japanese Political Geography