Ulan-UdePronunciation: /uːˌlɑːnuːˈdeɪ/Definition of Ulan-Ude an industrial city in southern Siberian Russia, capital of the republic of Buryatia; population 340,800 (est. 2008). Former name (until 1934) Verkhneudinsk.Ulan-Ude in other Oxford dictionaries Definition of Ulan-Ude in the US English dictionary