aws-cdk.region-info
AWS region information, such as service principal names
Decision gist · record as of 2026-08-14
Yes. This is a stable, actively maintained library with low install friction, no security issues, and permissive licensing. Install it if you are building AWS CDK applications that need region-specific metadata such as service principals or S3 endpoints; it is the standard way to access such data in the CDK ecosystem.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Low install friction with a pure Python wheel.
- Actively maintained as part of the AWS CDK project with a recent release and no known vulnerabilities.
License · maintenance · safety
Apache-2.0 (permissive) — Licensed under Apache-2.0 (permissive), allowing use in most commercial and open-source projects without significant restrictions.
last release 2026-08-13 (1 days) · last repo commit 2026-08-14 · 12,868 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 201,925 downloads/mo, #9,655 on PyPI
Alternatives
Verify before relying
pip install aws-cdk.region-info
from aws_cdk import region_info
region = region_info.RegionInfo.get("eu-west-1")
endpoint = region.s3_static_website_endpoint- Whether the regional fact database is kept current with new AWS regions and service changes.
- Performance characteristics when querying large numbers of regions or facts in succession.
What it is and what it does
aws-cdk.region-info is a reference database of AWS region-specific metadata needed by CDK constructs and applications. It exposes region information through a high-level RegionInfo class (querying by region name to get attributes like S3 static website endpoints) and a low-level Fact API for direct lookups by region and fact name. The library also allows registration of custom or corrected facts to override built-in data.
The package is a lightweight, pure-Python dependency with only jsii and publication as runtime requirements. It supports Python 3.10 through 3.14 and is part of the official AWS CDK ecosystem, maintained actively with no known security vulnerabilities.
Use it for
- Retrieve S3 static website endpoints for a given AWS region in CDK constructs.
- Look up service principal names for IAM policies that vary by region.
- Register custom regional facts or override incorrect built-in data for your CDK application.
- Query region-specific configuration needed by cross-region CDK deployments.
- Inject region-dependent metadata into CDK stacks without hardcoding values.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
This is a stable, actively maintained library with low install friction, no security issues, and permissive licensing. Install it if you are building AWS CDK applications that need region-specific metadata such as service principals or S3 endpoints; it is the standard way to access such data in the CDK ecosystem.
Install
aws-cdk-region-info on PyPI
Before you install
Low install friction with a pure Python wheel. Actively maintained as part of the AWS CDK project with a recent release and no known vulnerabilities.
Requires Python 3.10 or later.
License in practice
Licensed under Apache-2.0 (permissive), allowing use in most commercial and open-source projects without significant restrictions.
Quickstart
pip install aws-cdk.region-info
from aws_cdk import region_info
region = region_info.RegionInfo.get("eu-west-1")
endpoint = region.s3_static_website_endpointVerify before relying
- Whether the regional fact database is kept current with new AWS regions and service changes.
- Performance characteristics when querying large numbers of regions or facts in succession.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagesjsiipublication |
| Maintenance | Actively maintained 1 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 201,925 / month, #9,655 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableFramework :: AWS CDKFramework :: AWS CDK :: 2Intended Audience :: DevelopersLicense :: OSI ApprovedOperating System :: OS IndependentProgramming Language :: JavaScriptProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Typing :: Typed |
Evidence: aws_cdk_region_info-2.265.0-py3-none-any.whl
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See also aws-cdk.aws-s3 · aws-cdk.aws-iam · cdk-aurora-globaldatabase · aws-cdk.aws-s3-assets · aws-cdk.aws-secretsmanager · aws-cdk.aws-cloudfront · aws-cdk.aws-cloudformation · regionmask · aws-cdk.aws-logs · aws-cdk.aws-globalaccelerator