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Coat of arms of Mainz-Kostheim
Wiesbaden coat of arms
district of Wiesbaden
Auringen Biebrich Bierstadt Breckenheim Delkenheim Dotzheim Erbenheim Frauenstein Heßloch Igstadt Klarenthal Kloppenheim Mainz-Amöneburg Mainz-Kastel Mainz-Kostheim Medenbach Mitte Naurod Nordenstadt Nordost Rambach Rheingauviertel Schierstein Sonnenberg Südost Westendmap
About this picture
Coordinates 50 ° 0 ′ 10 ″  N , 8 ° 18 ′ 20 ″  E Coordinates: 50 ° 0 ′ 10 ″  N , 8 ° 18 ′ 20 ″  E
height 84– 134  m above sea level NN
surface 9.53 km²
Residents 14,391 (Dec. 31, 2019)
Population density 1510 inhabitants / km²
Proportion of foreigners 21.5% (Dec. 31, 2019)
Incorporation Jul 25, 1945
Post Code 55246
prefix 06134

Administration address
St. Veiter Platz 1
55246 Mainz-Kostheim
Mayor Stephan Lauer ( CDU )
Deputy Mayor Gerhard Weckbacher ( FWG ),
Nadja Vanessa Brandt ( FDP )
Source: State Capital Wiesbaden: EWZ - HW on December 31, 2019 ( Memento from February 3, 2020 in the Internet Archive )
View from the Main Bridge to Mainz-Kostheim with the Catholic parish church St. Kilian
The mouth of the Main near Kostheim

Mainz-Kostheim is the southernmost district of the Hessian state capital Wiesbaden .

Kostheim lies directly at the confluence of the Main and the Rhine . This district belongs to the so-called AKK districts , which belonged to the city of Mainz between 1908 and 1913 and 1945 and were placed under the administration of the city of Wiesbaden by the American military government after the war . For this reason, the suffix "Mainz-" was retained despite the political affiliation to Wiesbaden. The coat of arms shows the Kostheimer pliers.


Mainz-Kostheim is the second oldest wine-growing community in the Rheingau . Kostheim was first mentioned in 790 when Charlemagne signed a document . However, a settlement from Roman times or earlier can be assumed. Even today, when the tide is low, the remains of a bridge pillar can be found in the Main, near today's bridge from Kostheim to Gustavsburg . Graves, house foundations and wells from Roman times also indicate that there must have been more than just a Roman camp on the way of the Romans to Mainz and Kastel and across Steinern Straße .

In its 1200 year history, Kostheim was burned down and rebuilt several times. It is known that the Emperor Frederick Barbarossa on the belonging to Kostheim island Maaraue in the mouth of the Main between the Main and an old estuary at Pentecost 1184 guests for knighting has placed his sons in a large encampment. The number of visitors stated varies between 20,000 and 50,000. In 1793, during and after the siege of Mainz by the Prussians and Austrians in the coalition wars, cellars and houses were looted and burned, fields and trees were devastated. So the saying “House burned down, kitchens run away - poor child from Kostheim” continues to this day. And the expression "Kostheimer Nickellos" means that the poor Kostheimers owned neither talers nor nickel.

Until about the middle of the 19th century, larger parts of the area south of the Main, which today belong to Gustavsburg, still belonged to Kostheim. An assignment contract for Kastel and Kostheim from 1806 between the French Empire and the Principality of Nassau regulated an assignment to the city of Mainz. Five years after the incorporation of the then city of Kastel on April 1, 1908, the independent municipality of Kostheim also became a district of Mainz on January 1, 1913 by means of an incorporation agreement.

After the Second World War , the border between the French and American occupation zones ran right through the Mainz urban area: while the city on the left bank of the Rhine including the city center lay in the French zone and was therefore separated from the state of Hesse and assigned to the new state of Rhineland-Palatinate , the six remained Mainz districts on the right bank of the Rhine, Hessian. The three districts south of the mouth of the Main became independent again after a citizen vote. Kostheim came to the city of Wiesbaden together with Kastel and Amöneburg , which led to the so-called AKK conflict .

St. Kilian by night

There are two Catholic parishes, Maria Hilf and St. Kilian, as well as two Protestant parishes, a Methodist church and, since 2003, a mosque. Kostheim has a lively club life.

Today Kostheim owns a new industrial area on Anton-Hehn-Straße. It is currently used for the most part by companies that are dedicated to repairing vehicles and has even larger unused areas. The formerly industrially used area of ​​the former Schollmeyer sawmill is now built on with apartments, while the further development of the area of ​​the former refrigeration technology division of Linde AG is still unclear.

With the Kostheim Carneval Association 1923 KCV, Kostheim repeatedly attracts carnival friends from all over Germany and Switzerland. On Shrove Saturday there is a carnival parade through Kastel and Kostheim, which is organized and organized by all Kostheim and Kastel carnival associations.

Election results for the local council

Since 1972, as part of which is local elections in Hesse and the town council of the local district voted Mainz-Kostheim. The following distribution of seats resulted from the individual election results :

2016 3 4th 3 1 - 4th 15th
2011 3 5 2 1 - 4th 15th
2006 3 5 1 1 1 4th 15th
2001 4th 6th 2 1 2 - 15th
1997 4th 7th 2 1 1 - 15th
1993 4th 7th 3 1 - - 15th
1989 4th 8th 2 1 - - 15th
1985 5 9 - 1 - - 15th
1981 6th 8th - 1 - - 15th
1977 6th 9 - - - - 15th
1972 5 10 - - - - 15th

Schools and public institutions

Sewage treatment plant

In Kostheim are the Carlo Mierendorff school, the brothers Grimm school and the herb garden school resident primary schools, to come Förderschule Albert Schweitzer School and the School Wilhelm-Leuschner-school. In the Wilhelm-Leuschner-Schule complex there is a large gym, which is also used outside of the school for a variety of sporting events. The AKK local administration and the indoor swimming pool are in the immediate vicinity. In addition, there is an outdoor swimming pool and a water police station , a camping site and the disused sewage treatment plant, which initially served as an exceptional place for cultural events. In the meantime, however, the area has been leveled and fenced in and serves as a dog exercise area. The Second Wiesbaden Police Station has also been located in Kostheim since the summer of 2013; the previous location in Kastel was given up.

Other sights and special features

Wine fountain by Erwin Mosen

The Heimatverein Kostheim has set up a small museum in the old local administration on Hauptstrasse. Other clubs have their offices or club houses in this building, which is why the building is also known as the “House of Clubs”. So far largely unnoticed, the fiftieth degree north latitude runs right across the courtyard of this house. The wine tasting stand with wine fountain is in the immediate vicinity. At the other end of Kostheim there are testimonies of religious culture in the form of the beet chapel and on the flag cross. Significant in this context are also rustic-looking district names such as "Gotthelf" and "Teufelssprung".

Since 1975 a wine queen has been elected annually in Mainz-Kostheim .

As a project of the Rhine-Main Regional Park, a 20-meter-high observation tower built as a steel structure has been standing at Kostheim Harbor since 2011 . A 25-meter-long wooden-planked footbridge leads from the bank of the Main to the staircase of the triangular spiral staircase . 80 steps lead to the viewing platform , from which you have a good panoramic view of the Main and the Kostheimer banks of the Main.

Literature and documents

  • Picture from Kostheim from: J. F. Dielmann, A. Fay, J. Becker (draftsman): F. C. Vogel's panorama of the Rhine, pictures of the right and left banks of the Rhine. F. C. Vogel lithographic institute, Frankfurt 1833.
  • Ernst & Doris Probst: 5000 years of Kostheim . From the stone age to the 21st century. CreateSpace Independent Publishing Platform, Leipzig (?) 2018, ISBN 978-1-72154-050-1 (564 pages).

Web links

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Individual evidence

  1. Baedeker travel guides and other books
  2. ↑ In the past, the local border was not in the Main. ( Memento of June 18, 2007 in the Internet Archive ) In: Allgemeine Zeitung of December 14, 2007, accessed on October 23, 2008
  3. Kostheim wants to emphasize the 50th degree of latitude - local advisory council advises alternatives. In: Allgemeine Zeitung of March 8, 2011, accessed on March 8, 2011.
  4. The new observation tower is up. In: Rhein-Zeitung of July 20, 2011 (behind Paywall), accessed on June 22, 2015.