First, let’s start with what is the General Data Protection Regulation.
Probably till now you are already familiar with GDPR and you have read a lot about this law recently, in case you are not familiar, the General Data Protection Regulation (GDPR) is a regulation in EU law on data protection and privacy for all individuals within the European Union (EU). GDPR applies to all companies that are holding and processing personal information for European citizens.
GDPR protects specific data concerning to individuals but there is no exact definition for this and this extends to any information that can identify an individual in professional and public life.
More info can be found here directly on EUR-Lex website.