The object of diploma thesis was detailed solution of interior the Roman Catholic church in Piestany. It is located in a quiet part of town . The church is a simple shape and material , as well as Jesus Christ was in my life simple man. It is this idea is further transformed into a church in interior design . Regular square plan is undisturbed asymmetrical shape . At one point the church is higher , thus creating irregular interior , tilt ceiling area . The entire space is divided by a slit into two parts , representing the old and new testament. The roof is glazed slot opens up towards the sky . The solution of the interior is divided into four separate parts . The main part of the nave of the church . Is a space for gathering believers . The only furniture components are wooden benches . The calvary is embedded into the walls of architectural concrete . Above it on the second floor is the chorus . Presbytery where they serve mass is vertically separated from believers located in the ship itself one degree . The dominant feature is the cross glazed wall , on which a stainless steel statue of Jesus Christ . The foundation stone of the Church is shown in the concrete table. The said part is also visually connected with the adoration chapel, which is accessible to the faithful even when is main entrance to the church closed. The second part is the atrium, which is located behind a glass cross in the nave of the church. Atrium and green in it represents the Garden of Eden. Wooden footbridge over water feature we get to the cross cleansed from sin. Atrium is connected to the third part of the church - the archives. Archives has two floors, also in a minimalist style of the church as a whole. The main element of the beech wood library. Last resort is part of the pastoral center with a separate entrance. This two-story space designed for meetings of youth and a multifunctional use. Said parts are functionally different, but they are connected by the same idea, simplicity and material compliance.