Granja de San Ildefonso is a small town located in the province of Segovia, in the autonomous community of Castilla y León, Spain. It is located in the foothills of the Sierra de Guadarrama, about 50 km northwest of Madrid. The town is known for its rich history and cultural heritage, with many landmarks and points of interest. Among the most notable are the Royal Palace of La Granja, a stunning Baroque palace built in the 18th century, and the Aqueduct of Segovia, a Roman aqueduct that has been beautifully preserved and is now a UNESCO World Heritage Site. The town is also home to many charming churches and monasteries, as well as a number of interesting museums and galleries. The surrounding area is dotted with charming villages, forests, and meadows, making it a popular destination for outdoor enthusiasts.