Data Protection Authority (DPA) Directory

Also, it would be better to write what to report, how to report, and what to expect. For example, I reported Twitch several years ago to their own legal desk, Bayerisches Landesamt für Datenschutzaufsicht, European Data Protection Supervisor and Integritetsskyddsmyndigheten (IMY), because they refused to delete my personal data and account and refused my ID verification attempts to prove myself that requester is actually me. After several months of fighting, nothing happened.