ðə sɪˈoʊni kɐθˈiːdɹəl ʌvðə doːɹmˈɪʃən ɪz ɐ dʒˈɔːɹdʒən ˈɔːɹθədˌɑːks kɐθˈiːdɹəl ɪn tˈiːbaɪlˈɪsi, ðə kˈæpɪɾəl ʌv dʒˈɔːɹdʒə.
The Sioni Cathedral of the Dormition () is a Georgian Orthodox cathedral in Tbilisi, the capital of Georgia.