🇪🇸 Jaca (in Aragonese: Chaca or Xaca) is a city of north-eastern Spain in the province of Huesca, located near the Pyrenees and the border with France. Jaca is an ancient fort on the Aragón River, situated at the crossing of two great early medieval routes, one from Pau to Zaragoza. Jaca was the city out of which the County and Kingdom of Aragon developed. It was the capital of Aragon until 1097 and also the capital of Jacetania.
The Jaca Citadel is a five sided star fort, a fortification dating to the late 16th century.
Jaca has a population of over 12,813 people.