- Settlement.official_name
- Trefacio
- Settlement.settlement_type
- Municipality
- Settlement.image_flag
- Bandera de Trefacio.svg
- Settlement.image_shield
- Escudo de Trefacio.svg
- Settlement.image_skyline
- Iglesia de Trefacio.jpg
- Settlement.subdivision_type
- Country
- Settlement.subdivision_type1
- Autonomous community
- Settlement.subdivision_type2
- Province
- Settlement.subdivision_type3
- Municipality
- Settlement.subdivision_name3
- Trefacio
- Settlement.area_total_km2
- 25
- Settlement.population_density_km2
- auto