In the old quarter, standing on a small hill, you can find the parish church of of San Juan Bautista (17th century) stands out. Two neighborhoods, Errekalde and Yurre, organize their population and activity, focused on the agricultural-livestock sector and the steel industry, respectively.
People in Olaberria live in three districts: old quarter, Errekalde neighborhood and Yurre neighborhood; The activity of the first two is based primarily on the agricultural-livestock sector, which allows maintaining the beauty of its meadows and forests. The Yurre neighborhood is centered around the industry, mainly the Arcelor Mittal steel industry and other companies located around it.