I'd like to have data stored in the EU region, but that doesn't seem to be an option for fly.io

Orgs created through fly.io will not have the option to store their data in the EU region.

This is due to hard-coded US-based hosting for all Fly-provisioned Sentry instances.

Fly.io doesn't have any immediate plans to change, however you can request this feature and share feedback with their team by emailing them here: [email protected]