Weilbach is a municipality in the district of Ried im Innkreis, in the Austrian state of Upper Austria. It is one of the constituent municipalities of that district, which lies in the western part of Upper Austria, a state in the country's north-central region bordering Germany and the Czech Republic.
As a municipality, Weilbach forms part of Austria's local administrative structure, in which districts group together a number of municipalities for regional governance. Its location within the Ried im Innkreis district places it in the Innviertel, the traditional region of Upper Austria west of the Inn River.
Beyond its status as a municipality within this district and state, no further details about the community are available in the source material.