wˈʌn ʌv ðiːz stˈeɪts, ðə kˈɪŋdəm ʌv sˈɪəmˌiə, wʌz sˈɛntɚd ɪnðɪ ˈɛɹiə ɪnwˌɪtʃ bˈɪzɐntˌiːn θˈiːm ʌv sˈɜːmiəm ɛɡzˈɪstᵻd.
One of these states, the Kingdom of Syrmia, was centered in the area in which Byzantine Theme of Sirmium existed.