Udmurtia Syllabification: (Ud·mur·ti·a)Pronunciation: /o͝odˈmo͝orSHə/Definition of Udmurtia an autonomous republic in central Russia; population 1,527,800 (est. 2009); capital, Izhevsk. Also called Udmurt Republic. Udmurtia in other Oxford dictionaries Definition of Udmurtia in the British & World English dictionary