But this is a symbol of the problem of Europe's wedding of sorts of Church and State going back to the time when Christendom existed and the Church was actually the state government:
Local government: Church does not own Córdoba cathedral, once a mosque
March 18, 2016
The Great Mosque of Córdoba was built in 784 on the site of a seventh-century Catholic church. Since 1236, the former mosque has been used as a Catholic cathedral. In recent years, the local bishop has refused Muslim requests to worship in the cathedral.
“Religious consecration is not the way to acquire property,” according to the government report, as quoted by The Guardian. Instead, the cathedral is owned by “every citizen of the world from whatever epoch and regardless of people, nation, culture or race.”