The Archaeological Centre of Barbanza (CAB) was promoted by the RGPA Rede Galega do Patrimonio Arqueolóxico (Galician Network for Archaeological Patrimony), created in 2001 by the Servizo de Arqueoloxía da Dirección Xeral do Patrimonio Cultural (the archaeology department of the Galician Directorate-General of Cultural Patrimony). In a first stage, CAB was listed as an archaeology site available for visits, which a supplementary character regarding the archaeological parks belonging to the same theme (castro culture).

The CAB opened at the end of 2002 as a state-owned centre, under the culture and patrimony department of Boiro City Council, which assumes the management and funding. Archaeological-wise, the centre is closely linked to the facility by its side: the castros of Neixón, two fort hills front the Iron Age. From the beginning of 20th century, great archaeological campaigns were developed in these castros. These works turns the complex into a model for castro culture research.

Museum-wise, the CAB works in two fields. On the one hand, the centre introduces and presents the variety of culture expressions from recent prehistory at the Barbanza peninsula (megalithism, rock art, castro culture). On the other hand, CAB promotes and showcases the archaeological patrimony of the castros of Neixón: both the ruins site and the heritage findings exhumed during the latest excavation campaigns (2003 to 2007).

The CAB archaeological collection is available for visits from 2012, December the 5th. The centre belongs to the archaeological zone of castros of Neixón, declared Ben de Interese Cultural (Site of Cultural Interest) (DOG num. 103, of 30 of May of 2011).