Budapest's oldest, still existing Jewish temple, and one of the masterpieces of European neoclassical synagogue. The neo-Classical facade decoration of the six Corinthian columns supported by an open portico tympanum closure. It was built in 1820 according to the design of András Landherr.

The Óbuda Synagogue is an Orthodox Jewish congregation and synagogue, located in Óbuda, in the III district of Budapest, Hungary. The synagogue was completed in 1821 by an Orthodox congregation who worshipped in the Ashkenazi rite, founded in the 1730s. The congregation made a change to Neolog in 1831; and, since 2010, have followed the Orthodox Chabad movement, worshipping in the Ari rite.

During World War II, the synagogue was acquired by the Hungarian Government for profane uses and was returned to the community in 2010. The synagogue was extensively renovated and restored by 2016. The congregation is led by Rabbi Slomó Köves.