Ūru(Uru) is one of the sons sired by Cākṣuṣa(Chakshusha) Manu, and born of the womb of Naḍvalā (Nadvala), daughter of Vairāja(Vairaja) Prajāpati (Prajapati; Ruler of the people) Araṇya (Aranya).
According to Viṣṇupurāṇa (Vishnupurana), Ūru is mentioned as one of the Saptarṣi (Saptarshi; the seven legendary sages) in Cākṣuṣa (Chakshusha) Manvantara.