Okaya may refer to:
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Okaya & Co., Ltd., the oldest major Japanese trading company still in existence.
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Okaya, Nagano
is a Cities of Japan, city located in Nagano Prefecture, Japan. , the city had an estimated population of 48,616 in 19,257 households, and a population density of 570 persons per km². The total area of the city is .
Geography
Okaya is located ...
, a city in Nagano Prefecture, Japan
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Okaya Optical, the manufacturer of Lord cameras and Vista binoculars
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