Villarrica is one of Chile's most active volcanoes, rising above the lake and town of the same name, 750 km (470 mi) south of Santiago. It is also known as Rucapillán, a Mapuche word meaning "great spirit's house" or " the demon's house". It is the westernmost of three large stratovolcanoes that trend northwest to southeast obliquely perpendicular to the Andean chain along the Mocha-Villarrica Fault Zone, and along with Quetrupillán and the Chilean portion of Lanín, are protected within Villarrica National Park. Guided ascents are popular during summer months.

Villarrica is a city and commune in southern Chile located on the western shore of Villarrica Lake in the Province of Cautín, Araucanía Region 746 km (464 mi) south of Santiago and close to the Villarrica Volcano ski center to the south east. Residents of Villarrica are known as Villarricences.