The diocesan library was built by Count Karoly Eszterhazy with a ceiling bearing the fresco of the Council of Trident by Janos Lukacs Kracker; Everyone who visits this library enjoys contemplating the details of its distinctive construction and the beauty of the mural in it. When you are in the city of Eger, you can visit it with your family to get to know it closely and listen to the most important information about it.