Guernsey Administrative Divisions

Name: Guernsey Administrative Divisions Dataset
Creator: GeoPostcodes
License: https://www.geopostcodes.com/pricing/

What is the hierarchy of administrative divisions in Guernsey?

Guernsey operates on a 1‑level system consisting of 16 dependencies, which serve as the primary administrative units.

Here’s a breakdown of the hierarchy:

1. Dependencies: Guernsey is divided into 16 dependencies.

List of Guernsey's administrative divisions with their counts and names

These are the summarized administrative divisions. The full dataset is available in the Download Center.

iso	country	admin level 1	admin level 2	admin level 3	admin level 4
GG	Guernsey	Alderney (Dependency)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Brecqhou (Dependency)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Castel (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Forest (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Herm (Dependency)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Jethou (Dependency)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Lihou (Dependency)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Saint Andrew (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Saint Martin (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Saint Peter Port (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Saint Pierre du Bois (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Saint Sampson (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Saint Saviour (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Sark (Dependency)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Torteval (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.
GG	Guernsey	Vale (Parish)	This level doesn’t exist for this country.	This level doesn’t exist for this country.	This level doesn’t exist for this country.

Why is building an Administrative Divisions Database complex?

The complexity arises from inconsistent global standards, frequent boundary changes, non-uniform naming conventions (e.g., “suburb” in Australia vs. “county” in the US), and variations in administrative levels across countries. Integrating and harmonizing data from multiple sources requires advanced normalization, versioning, and geospatial validation techniques.

How does GeoPostcodes solve the problem for you?

Our standardized database overcomes the complexity of different administrative division
systems worldwide. Our database follows a unified structure that you can integrate
seamlessly into your system or platform of choice without needing to become an expert in
each country’s unique administrative hierarchy.

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Updated: June 1, 2026

Frequently Asked Questions

What are the administrative divisions of the Guernsey?

The Guernsey is divided into 10 parishes and 6 dependencies, which form the top-level administrative units. Major parishes include Alderney, Brecqhou, and Castel.

How many administrative levels does Guernsey have?

The Guernsey has a single administrative level consisting of 10 parishes and 6 dependencies. These include Alderney, Brecqhou, and Castel.

How is Guernsey organized into parishes?

Guernsey operates on a 1‑level system consisting of 16 dependencies, which serve as the primary administrative units.

What is the difference between parishes and dependencies in Guernsey?

In the Guernsey, parishes and dependencies both sit at administrative level 1 but serve different functions. Parishes — there are 10 — typically group multiple smaller municipalities under a shared administration. Dependencies — there are 6 — are a larger city or urban area that handle its own administration independently.

How often do administrative boundaries change in Guernsey?

Administrative boundaries in the Guernsey change as governments reorganize regions, merge municipalities, or create new administrative units to reflect population shifts and political decisions. Businesses that rely on Guernsey administrative data should use a regularly updated reference dataset to avoid mismatches in geocoding, tax jurisdiction mapping, and compliance reporting.