トゥバalso: トゥヴァFreq.FrequencyTop 100,000Meanings1nounTuva; TyvaA republic in southern Siberia, Russia. The name is a proper noun referring to the region.トゥバはロシア連邦れんぽうの構こう成せい共きょう和わ国こくの一ひとつです。Tuva is one of the constituent republics of the Russian Federation.