Mariazell Basilica, also known as Basilica Mariä Geburt (Basilica of the Birth of the Virgin Mary), is a Marian basilica in Mariazell, Austria. It is the most important pilgrimage destination in Austria and one of the most visited shrines in Europe. In the church, a miraculous wooden image of the Virgin Mary is venerated.

Pope Pius X personally raised the sanctuary via Motu proprio to the status of basilica in 10 November 1907 with great personal ambition and then ensured the coronation of the image via expressed Pontifical decree on 8 September 1908, with the urgency less of a year. It is the only church named as a national shrine of all German-speaking countries.