If an AMI is made public, where is it immediately available?

An Amazon Machine Image (AMI) is a template that contains a software configuration (including the operating system, application server, and applications) required to launch an instance. When an AMI is made public, it becomes available to all AWS accounts, but importantly, it is available only in the region where it was created.

This means that users in other regions cannot access this AMI until they either copy it to their region or share it specifically. Making an AMI public does not automatically replicate it across all AWS regions; users must manage their AMIs and replication according to their deployment needs. As a result, understanding regional limits is crucial when utilizing AMIs for instance launches or deployments across various geographic locations.

Consequently, while other options suggest broader availability, the reality is that public AMIs are confined to their region unless additional steps are taken by the user.