How to get the AWS Region where Node.js Lambda Function is running

To get the AWS Region where your Lambda Function is running we need to access the Environment Variable AWS_REGION.

To access the environment variable AWS_REGION using Node.js Lambda Function we can use process.env.AWS_REGION.

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How to Get Lambda Runtime Region via Python

To get the AWS Region where your Lambda Function is running you will need to import the os module.

import os

Then from the os module, you need to get the value of AWS_REGION from the environ mapping variable. This will return the AWS Region where the Lambda Function is running.

runtime_region = os.environ['AWS_REGION']

Note: The way of getting the Runtime AWS Region of your Lambda Function is the same as when you get a Lambda Environment Variable.

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