Prague City Hall is formed by the Chief Executive of Prague City Hall and other employees of the City of Prague included in this body. The Chief Executive of Prague City Hall is the head of Prague City Hall and is superior to all employees of the City of Prague included in Prague City Hall.In its autonomy, Prague City Hall performs tasks assigned by Prague City Assembly or Prague City Council. The organizational structure of Prague City Hall, including the names of the organizational units and the names of positions of department heads is set by the organizational rules. The basic organizational units are departments, which are further divided into individual units. Secretariats of the members of Prague City Council are special organizational units. For the performance and security of certain activities, departments can be integrated into higher organizational units.