Mainz is a city located in Germany and serves as the capital and largest city of the state of Rhineland-Palatinate. It is currently home to approximately 223,000 inhabitants, making it the 35th-largest city in the country.
The city is situated within the Rhine-Main Metropolitan Region, which is Germany's second-largest metropolitan region following the Rhine-Ruhr. This region also includes several other notable cities, such as Frankfurt am Main, Wiesbaden, Darmstadt, Offenbach am Main, and Hanau.