St. Florian's architecture features two 20-story towers facing Solidarity Avenue in a Gothic Revival style, topped with bronze spires. Its exterior is mostly constructed from red brick, and its entrances are adorned with mosaic depictions of Jesus Christ and the emblem of the first bishop of Warszawa-Praga diocese, Kazimierz Romaniuk. The interior is decorated with red or white plaster and brick.
St. Florian's serves as the cathedral church for the Roman Catholic Diocese of Warszawa-Praga and was granted the title of minor basilica by the Holy See in 1992. The diocese, which encompasses 1,274 square miles and serves around one million Polish Catholics across 160 parishes, has a ministry consisting of over four hundred priests.
The future site of St. Florian's Church had a Catholic presence since 1583, but it was not until the late 19th century that the impetus for creating a lasting church emerged. At that time, Poland was not an independent country, and the Congress of Vienna in 1815 resulted in the French Duchy of Warsaw falling under the control of the Russian Empire. This move transformed it into the Congress Poland, and over twenty Russian Orthodox churches were built in the area. This was perceived by many as a foreign imposition, and to protest against it, St. Florian's Church was built between 1897-1904. The church features two towering 75-meter (246 ft) spires and was constructed in response to the grand Orthodox Church of Mary Magdalene, which was built nearby. The church is named after St. Florian, the patron saint of professions related to fire, such as firefighters, steelworkers, chimney sweeps, potters, and bakers.
During the Siege of Warsaw, which took place from September 1939 to October 1939, and the subsequent occupation of the city by the Germans, several churches were used as hiding places for Jews, members of the Warszawa Army, and civilians seeking refuge. St. Florian's Church was one such church, offering shelter to those in need during these difficult times.
However, as the Germans withdrew from Poland in 1944, after the Warsaw Uprising, they destroyed many buildings in their path, including St. Florian's Church. This left the church in ruins for several years, with no sign of reconstruction efforts in the immediate aftermath of the war.
It was not until the 1950s that a slow reconstruction effort began with the support of Praga residents. The reconstruction project was aimed at restoring St. Florian's Church to its former glory, and returning it to the community as a place of worship and a symbol of hope.
Finally, after years of hard work and dedication, the rebuilt St. Florian's Church was reopened in 1972, more than 25 years after its destruction. The church stands today as a testament to the resilience of the human spirit and the power of community to rebuild even in the face of great adversity.