Cologne belonged to the Roman Catholic Church, the largest religious body, and 15.5% to the Evangelical Church. Cologne is the seat of the Roman Catholic Archdiocese of Cologne. There are several mosques, including the Turkish-Islamic Union for Religious Affairs run Cologne Central Mosque. Cologne also has one of the oldest and largest Jewish communities in Germany. The city's administration is headed by the mayor and the three deputy mayors. The long tradition of a free imperial city, which long dominated an exclusively Catholic population and the age-old conflict between the church and the bourgeoisie (and within it between the patricians and
NS Documentation Centre of the City of Cologne 2008, part of Cologne's city museums associations. So within the municipal administration, it is responsible for dealing with all subjects related to the city's Nazi past, including the visitor programs for former forced labourers, which the city has been running since 1989. The center has been the recipient of numerous awards, including the "special recommendation" of the 2000 Museum of the Year Award. The NS Documentation Center of the City of Cologne has been awarded several times: In 2004 Elzbieta Adamski, Employee of the NS Documentation Center of the City of Cologne, received by the hands of the president of