| Name | San Ildefonso o La Granja |
| Alt names | La Granja de San Ildefonso | source: Blue Guide: Spain (1980) p 323; Knaurs: Spanien (1985); Michelin: España, Portugal (1972) p 122; Tesoros Artísticos España (1979) p 353; USBGN: Foreign Gazetteers |
| San Ildefonso | source: BHA, Authority file (2003-) |
| Type | Inhabited place |
| Coordinates | 40.9°N 4°W |
| Located in | Segovia, Castilla y León, Spain |
