Sankt Sebastian is a former municipality in the district of Bruck-Mürzzuschlag in the Austrian province of Styria.

It lies some 1 kilometre (0.62 mi) to the north of the important pilgrimage centre of Mariazell.

[2] Mariazell railway station, the terminus of the narrow gauge Mariazell line from St Pölten, lies within the municipality.

The station is also the terminus of the Museumstramway Mariazell-Erlaufsee, a standard gauge heritage steam tramway that operates to the nearby Erlaufsee.

This Styria location article is a stub.