Pachuca, formally known as Pachuca de Soto, is the capital of the Mexican state of Hidalgo. It is located in the south-central part of the state. Pachuca de Soto is also the name of the municipality of which the city serves as a municipal seat. Pachuca is located about 90 kilometers from Mexico City via Mexican Federal Highway 85. There is no consensus about the origin of the name Pachuca.