San Francisco de Mostazal (Mostazal), Chile

Geography and environment

The commune covers about 523.9 square kilometres. Its terrain is characteristic of central Chile: gently rolling valleys used for farming and vineyards, interspersed with low hills. The climate is Mediterranean—wet winters and dry summers—supporting a mix of crops and pasture. Natural vegetation has been altered by agriculture, but riparian strips and patches of native scrub remain.

History and name

The settlement grew as a local rural centre serving surrounding farms. The name Mostazal likely refers to the Spanish word for mustard (mostaza) or a local family name, a pattern common in Chilean place names. Over time the town evolved into the administrative centre of a municipal commune, reflecting 20th-century regional organization.

Population and administration

According to the 2002 census the commune had 21,866 inhabitants. As a Chilean commune it is governed by a municipal council and an elected mayor (alcalde), responsible for local services, planning and community programmes that serve both urban and rural residents.

Economy, culture and notable facts

Mostazal's economy is largely agricultural, with fruit production, vineyards and livestock common in the surrounding lands; small-scale commerce and services are concentrated in the town. Local life features typical Central Valley customs and municipal festivals. The commune's location in O'Higgins places it within one of the country's important fruit- and wine-producing regions.

Practical information

• Area: 523.9 km².
• 2002 population: 21,866 (national census).
• Governance: municipal council and mayor.