Mainz is an independent City in Rhineland-Palatinate, Deutschland. It is the county seat of the district of Mainz-Bingen and the administrative district of Mainz. The City has about 215,000 inhabitants and is known for its Roman history, Johannes Gutenberg and the Mainz Carnival. Mainz is an important transport hub and a center for science and culture.

The population from Mainz is very diverse, with a high proportion of people with a migrant background. The Johannes Gutenberg University and other universities mean that the City has a high proportion of students.

The history of Mainz dates back to Roman times, when the City was founded as a Roman military fortress. It was an important City in the Roman Empire and later in the Holy Roman Empire. In the Middle Ages, Mainz was an important City in the Holy Roman Empire and a center of ecclesiastical and political power. It was also the birthplace of the famous inventor Johannes Gutenberg, whose invention of the printing press marked a revolutionary change in the history of communication and the dissemination of knowledge.

Over the centuries, Mainz has experienced many wars and sieges, but has always maintained its importance as a cultural and economic center. Today, Mainz is a vibrant City with a rich history and culture that is constantly evolving and changing.