Olaberria is a town and municipality in the Basque Country of northern Spain. It is located in the Goierri region of the province of Gipuzkoa, within the autonomous community of the Basque Country.
The municipality sits in the Goierri, an inland area of Gipuzkoa known for its concentration of small towns and industrial activity. Olaberria is one of the municipalities that make up this comarca, alongside neighbouring towns in the same valley system.
As a municipality, Olaberria has its own local administration, or ayuntamiento, which is responsible for governing the town and providing municipal services to its residents.