The Oita Bank
ConfidenceLikelyUpdated2026-07-30Review by2026-12-05Sources2Machine-translatedOriginal (JA)
On this page
Wiki route
This entry sits under regional-banks INDEX (its domain route). Read it against Howa Bank for the same-prefecture peer / contrast (first vs second regional bank), and against the FSA plus banking for the supervisory / system boundary.
TL;DR
The Oita Bank, Ltd. (株式会社大分銀行, Daigin) is a regional bank (first regional bank) headquartered in Oita City, Oita Prefecture, holding a bank license under the Banking Act and listed on the FSA’s bank license list. It is Oita Prefecture’s first-regional-bank operating-company anchor and is treated as a Kyushu standalone regional bank. Its business is deposit-taking within the prefecture and lending to SMEs, individuals, and local public bodies.
1. License / group boundary
The following table is scoped to public primary sources (fsa.go.jp, oitabank.co.jp). It restates licence / structure / product boundaries from those materials and does not invent market share, ranking, or unstated numerical claims. ↗
| Item | Notes |
|---|---|
| Legal name | 株式会社大分銀行 / The Oita Bank, Ltd. |
| License route | Bank license under the Banking Act (regional bank / first regional bank); FSA bank license list |
| Group boundary | Standalone regional-bank operating company (independent first regional bank) |
| Home market | Oita / Oita City (head office in Oita Prefecture) |
| Wiki role | Oita regional-bank operating-company page |
2. Operating model
The Oita Bank is a first regional bank that, centered on Oita Prefecture, handles retail deposits, SME finance, support for tourism and manufacturing, and local relationship banking. It has a first / second-regional-bank peer boundary with the in-prefecture second regional bank Howa Bank, and as a Kyushu standalone regional-bank peer is compared with The Bank of Saga, Miyazaki Bank, and The Bank of Fukuoka.
3. Regulatory & system positioning
- Supervision: Under the Banking Act, supervised by the FSA (FSA) and the Kyushu Local Finance Bureau. Its soundness is disciplined by capital adequacy requirements (domestic standard) and similar rules.
- Industry body: A first regional bank belonging to the Regional Banks Association of Japan. It participates in the Zengin System (the nationwide bank funds-transfer network), and as an industry body falls within the framework of Zenginkyo.
- Depositor protection: Deposits are covered by the Deposit Insurance Corporation of Japan (DIC).
- Consolidation context: For the general context of regional-bank reorganization and consolidation pressure in Kyushu, see regional-bank consolidation pattern.
4. Why this page matters
- Closes the FSA exact-name operating-company gap for the Oita Bank.
- Provides an Oita prefecture anchor for Kyushu regional-bank comparison.
- Pairs with the second-regional-bank page Howa Bank.
Related
- regional-banks INDEX
- howa-bank
- saga-bank
- miyazaki-bank
- fukuoka-bank
- higo-bank
- FSA
- regional-bank-consolidation-pattern
- INDEX
- FinWiki index
Sources
- FSA (Financial Services Agency): bank license list (
ginkou.xlsx), regional banks. - The Oita Bank official company profile (会社概要).
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