The Basilica of Saint.Nicolas is located in the old Centre district of Amsterdam. It is the city's major Catholic church.
The Architect "Adrianus Bleijs"(1842-1912) designed the church basing himself on a combination of several styles of Neo-Baroque and Neo-Renaissance.
The facade is crowned by two towers with a rose window in between.
A look inside to the entrance with the rose window and and the 19th-century Sauer Organ on which concerts are given and mass is accompanied.