# Cross-Region calls with Amazon Q in AWS Supply Chain
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Amazon Q in AWS Supply Chain has a dependency on Amazon Kendra for retrieving relevant search results from public documentation that may be used to answer your questions. Amazon Kendra is available in a subset of AWS Regions that Amazon Q in AWS Supply Chain supports. Amazon Q in AWS Supply Chain calls Amazon Kendra local endpoints when Amazon Kendra is available locally in an AWS Region. When Amazon Kendra is not available locally, Amazon Q in AWS Supply Chain calls Amazon Kendra’s endpoints in a different AWS Region. In these cross-region calls, Amazon Q in AWS Supply Chain may send your prompts to Amazon Kendra.


| Amazon Q in AWS Supply Chain Region | Amazon Kendra Region | Region Code | Region Name | Region Code | Region Name | 
| --- | --- | --- | --- | --- | --- | 
| eu-central-1 | Europe (Frankfurt) | eu-west-1 | Europe (Ireland) |