Guinea-Bissau
ISO 3166-1 country codes and official ISO 3166-2 subdivisions for Guinea-Bissau. Use them in forms, validation, and CountriesDB integrations.
About Guinea-Bissau codes
Need Guinea-Bissau (GW) for a checkout form, shipping zone, or backend validation? This page summarizes the ISO 3166-1 country codes and official subdivisions developers use with CountriesDB.
This guide lists 12 official ISO 3166-2 subdivisions for Guinea-Bissau. These are the same codes CountriesDB serves through widgets and the Backend Data API.
For production, use the CountriesDB country/subdivision widget or fetch Guinea-Bissau from the Data API and validate codes server-side instead of copying values from this page.
ISO codes
Official subdivisions (12)
Official ISO 3166-2 codes for Guinea-Bissau. Use these values in region/state selects and server-side validation, not informal or marketing region names.
| Code | Name | Type |
|---|---|---|
| GW-BA | Bafatá | region |
| GW-BM | Biombo | region |
| GW-BS | Bissau | autonomous sector |
| GW-BL | Bolama / Bijagós | region |
| GW-CA | Cacheu | region |
| GW-GA | Gabú | region |
| GW-L | Leste | province |
| GW-N | Norte | province |
| GW-OI | Oio | region |
| GW-QU | Quinara | region |
| GW-S | Sul | province |
| GW-TO | Tombali | region |
Frequently asked questions
- What is the ISO 3166-1 code for Guinea-Bissau?
- Guinea-Bissau uses ISO 3166-1 alpha-2 GW, alpha-3 GNB, and numeric 624. These codes show up in forms, shipping, banking, and APIs.
- How many official ISO 3166-2 subdivisions does Guinea-Bissau have?
- CountriesDB lists 12 official ISO 3166-2 subdivisions for Guinea-Bissau (states, provinces, regions, or equivalent). Use them when you validate region selects and shipping zones.
- How do I use Guinea-Bissau country and subdivision data in a form?
- Use the CountriesDB widget or Data API to fill country and subdivision selects for Guinea-Bissau, then validate submitted codes with the Validation API so alpha-2 and ISO 3166-2 values stay consistent.
Use Guinea-Bissau in your app
Add CountriesDB country and subdivision selects with the widget docs, or call the Backend Data API for Guinea-Bissau (GW) and validate submissions with the Validation API. Guides stay in sync with the same dataset your project keys already use. widget docs.