How to see all running Amazon EC2 instances across all regions?

Question

I switch instances between different regions frequently and sometimes I forget to turn off my running instance from a different region. I couldn\'t find any way to see all the r

Answer 1

A non-obvious GUI option is Resource Groups > Tag Editor. Here you can find all instances across all regions, even if the instances were not tagged.

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EDIT: This screen was recently redesigned and now has a new look and an "All regions" option.