Mikalojaus bažnyčia) is the oldest surviving church in Lithuania, built in the Old Town of the capital city Vilnius.

By the same token it was a centre of Lithuanian culture (its famous dean Kristupas Čibiras was killed in 1942 during a bombing raid).

[3] In the 1920s to 1940s, sermons in Belarusian language were also held in the church by famous priests including Adam Stankievič, Vincent Hadleŭski, Jazep Hiermanovič, Kazimir Svajak.

The triangular pediment with niches has been recently renovated accentuating its original Gothic character.

The church is adorned with two sculptures: a polychrome statue of St. Louis from the Gothic period, and Vytautas' bronze bust erected in 1930 (sculptor Rapolas Jakimavičius).