Ademuz is a municipality in the comarca of Rincón de Ademuz, in the Valencian Community of Spain. It is the principal town of the Rincón de Ademuz, a comarca that forms an enclave of the Valencian Community separated from the rest of the region by territory of the neighbouring community of Aragon.
The name of the town in Valencian is Ademús. However, the local language spoken in Ademuz is Spanish rather than Valencian, distinguishing it from much of the rest of the Valencian Community.