Bank of Yokohama

The Bank of Yokohama, Ltd. (株式会社横浜銀行, Kabushiki gaisha Yokohama Ginkō, BOY) is the largest regional bank in Japan. It is based and headquartered in Yokohama, and operates its businesses mainly in Kanagawa Prefecture and southwestern Tokyo.

Basic Information

Category: financial sector
Website: https://www.boy.co.jp/

Documented Facts

Headquarters: Yokohama

Evidence and Sources

Bank of Yokohama — Official Site (official)
Bank of Yokohama — Wikipedia (reference)

Citation Guidance

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Last verified: 2026-04-21

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