This study aims to outline the history and the structural alterations of the cultural extraordinary immovable protected landmark of The Church U Je‑ žíška in Pilsen. It also encompasses the historical figures linked to the building. This thesis is divided into several parts. Firstly, it chronicles the church’s history and presents information about the characters related to the church’s reconstruction through time. The following sections provide data on the noteworthy furniture and the church’s interior ornamentation, as well as describe other sacral buildings of the same consecration. The final segment is dedicated to this church’s significance in the lives of the people of Pilsen.