Trefacio ( Spanish: Trefacio ) - a municipality in Spain , is part of the province of Zamora as part of the autonomous community of Castile and Leon . The municipality is part of the district (mosquito) of Comarca de Sanabria . It covers an area of 25.67 km². The population is 189 people (as of 2010 ). The distance to the administrative center of the province is 110 km.
|Autonomous community||Castile and Leon|
|Area||Comarca de Sanabria|
|History and Geography|
|Timezone||UTC + 1 , in summer UTC + 2|
|Population||189 people ( 2010 )|
|Density||9.62 people / km²|
|Katoykonim||Burreiro / a|