Birkfeld is a market town in the district of Weiz, in the Austrian state of Styria. It lies in the eastern part of Styria, within the Weiz district of the larger federal state.
As a market town (Marktgemeinde), Birkfeld holds a status in Austrian administrative structure that sits between a village and a full city, a designation historically tied to the right to hold regular markets. The town is situated in a rural, hilly part of Styria known for its agricultural landscape.
Birkfeld is one of several municipalities that make up the Weiz district, which is located in the eastern Styrian region of Austria. The town serves as a local administrative and service centre for its surrounding area.