Gijón (Spanish: [xiˈxon] ) or Xixón (Asturian: [ʃiˈʃoŋ]) is a port city and municipality in north-western Spain. It is the largest city and municipality by population in the autonomous community of Asturias. It is located on the coast of the Cantabrian Sea in the Bay of Biscay, in the central-northern part of Asturias; it is approximately 24 km (15 mi) north-east of Oviedo, the capital of Asturias, and 26 km (16 mi) from Avilés. With a population of 270,219 as of 2024, Gijón is the 16th-largest city in Spain.
Gijón forms part of a large metropolitan area that includes twenty councils in the center of the region, structured with a dense network of roads, highways and railways and with a population of 835,053 inhabitants in 2011, making it the 7th-largest in Spain.