The Church of the Nativity of Saint John the Baptist in Roztoky is a Roman Catholic parish church located in Roztoky, part of Povrly municipality in Ústí nad Labem District. This neo-Romanesque sacred building stands on a hill overlooking a former graveyard above an erstwhile mining village known for silver extraction. Originally likely a Baroque structure, it was transformed into its current style during the 19th century and underwent restoration in the 21st century. The church is notable not only for its architectural evolution but also as a testament to the cultural shifts of Bohemia during the 19th century when Romanticism and historicism influenced many such transformations.

The Church of Saint John the Baptist likely began as a Baroque structure, reflecting the prevalent style of that era. However, in the 19th century, it underwent significant transformation into its current neo-Romanesque design. This change was part of a broader European trend during the Romantic period, where there was a revival and reinterpretation of medieval styles. Such transformations were often motivated by a desire to connect with national heritage and identity, reflecting cultural shifts occurring in Bohemia at that time.

Architecturally, the church features an octagonal nave with a low saddle roof and a five-sided presbytery oriented westward. Its design includes polycylindrical windows, a small wooden bell tower on top of the roof, and a simple interior layout. The main entrance is marked by a right-angled portal within a semi-circular frame, topped by a classical relief depicting two stags at a fountain in the tympanum above the eastern portal. Additionally, there are segmental windows located in the lower band of the southern façade. Inside, the presbytery has flat ceilings and is adorned with polycylindrical windows that have smooth architraves.

The church's interior houses several significant pieces of religious art and architecture. The main altar from the 19th century features a historicizing design with an image of Saint John the Baptist and baroque sculptures of Saints John the Baptist and Zacharias, dating back to the 18th century. Another notable feature is the rococo altar dedicated to Mary, which includes angels, sculptures of Saints Christopher and John of Nepomuk from the second half of the 18th century, and a modern statue of Madonna. Additionally, there is a baroque baptismal font made of stone with a wooden cover featuring a sculpture of Christ's Baptism, dating back to 1780.

Today, the Church of Saint John the Baptist stands as a well-preserved example of neo-Romanesque architecture in Roztoky. It remains accessible to visitors and continues to serve its parish community. The church is situated on a hill above what was once a mining village known for silver extraction, adding historical depth to its location. Nearby, the village hosts a parish house (house number 38), further enriching the area's cultural landscape.

Visiting this monument offers insight into both the architectural evolution and the rich history of the region. The church not only reflects significant stylistic changes over time but also serves as a reminder of the historical context in which it was transformed. Its preservation allows visitors to appreciate the blend of artistic elements from different periods, making it a worthwhile destination for those interested in architecture, history, or religious art.