If we ask you for personal information (full name, sometimes also PESEL No.) during the purchase, it means that either the organizer is legally obliged to gather this kind of data, or it is necessary due to the nature of the event. Such tickets are only valid with identity documents. You will have to show the ID at the entrance, so do not forget to bring it.
All data is handled by Empik Bilety employees trained in personal data protection.