Rechtsrheinische Stadtteile von Mainz, Former districts on Rhine's right bank in Mainz, Germany
The rechtsrheinische Stadtteile von Mainz are six districts on the eastern bank of the Rhine, formerly part of Mainz and now divided between Wiesbaden and the Groß-Gerau district. They form a strip of land facing the Mainz old town, mixing residential neighborhoods with industrial areas.
Mainz absorbed these areas between 1908 and 1930 during a period of urban growth, extending the city across the Rhine for the first time. After World War II, the occupation zone boundaries cut them off from Mainz and placed them under different state authorities.
The six districts still carry names that hint at their former connection to Mainz, even though they now belong to Wiesbaden or the Groß-Gerau district. Walking through these neighborhoods, you notice how daily life and local identity remain closely tied to the city on the opposite bank.
The districts are easy to reach from Mainz via the bridges and a ferry that cross the Rhine. Because different state authorities manage them, it helps to check in advance which side of the border a specific address or service belongs to.
These districts lie in Hesse but keep Mainz postal codes starting with 55, even though Mainz itself belongs to Rhineland-Palatinate. This means a letter posted here carries the code of a city in a different state, something rarely seen elsewhere in Germany.
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