St. Nicholas' Church in Bratislava is an orthodox church situated on the castle hill next to the Bratislava Castle. The church was built in 1661 by Paul Pálffy‘s (1589–1655) widow Countess Frances, née Khuen (died 1672). It is an early baroque building built on the place of original Gothic church below the Bratislava Castle. The church is consecrated to St. Nicholas, the patron of sailors.