Debabarrena (Scots: Lawer Deba) is a comarca locatit in Gipuzkoa, Basque Kintra (Spain). It haes a aurie o 180,3 km². It is north frae the comarca o Debagoiena, east from the province o Biscay, an sooth frae the Gulf o Biscay.
The municipalities which compone Debabarrena are Eibar, Placencia de las Armas, Elgoibar, Mendaro, Deba an Mutriku. Eibar is the biggest ane wi aboot 28,000 inhabitants. The seicont biggest ane is Elgoibar, wi aboot 11,000 inhabitants, an the ither municipalities hae less nor 10,000 ceetizens.