Hualqui is a Chilean city and commune in the Concepción Province, Biobio Region. It is also part of the Greater Concepcion conurbation, although it maintains a rural profile. It had a population of 24,333 inhabitants according to the 2017 census.

The Biobío River is the second largest river in Chile. It originates from Icalma and Galletué lakes in the Andes and flows 380 km to the Gulf of Arauco on the Pacific Ocean.