Urduliz (Spaingie: Urdúliz) is a municipality o Biscay, in the Basque Kintra, an autonomous commonty in northren Spain.
It is connectit tae the rest o the Greater Bilbao conurbation bi the subway an bus services. The municipality shows a mixtur o industrial an landwart qualities, bein dividit in three separate veelages or neebourheids.