Alcañiz is a municipality in Spain, in the province of Teruel, in Aragon. On 1 January 2025 it had 16,505 inhabitants according to the INE municipal register (padrón), over an area of about 473.1 km².
Population density is about 35 per km²: a partly rural municipality, with a main town and scattered villages or developments. Of the 3 municipalities in the province of Teruel with at least 5,000 inhabitants, it is number 2 by population.
As the crow flies it lies about 113 km north-east of Teruel, the provincial capital. The nearest major city is Zaragoza, about 90 km away.
To explore the area, use the map of neighbouring municipalities and the accommodation options in and around Alcañiz; all the municipalities in the province of Teruel are listed on their own page.