ɪn ðɪs tˈaɪm, ðə nˈeɪm "sˈɪəmˌiə" wʌz jˈuːzd æz ɐ dˌɛzɪɡnˈeɪʃən fɔːɹ tˈɛɹɪtˌoːɹiz ɔnðə bˈoʊθ bˈæŋks ʌvðə ɹˈɪvɚ sˈɑːvə, wˌaɪl lˈeɪɾɚ, dˌɛzɪɡnˈeɪʃənz "sˈɪəmˌiə ˌɔn ðɪs sˈaɪd" ɪnðə nˈɔːɹθ ʌvðə sˈɑːvɚ ɹˈɪvɚ ænd "sˈɪəmˌiə ɔnðɪ ˈʌðɚ sˈaɪd" ɪnðə sˈaʊθ ʌvðə sˈɑːvɚ ɹˈɪvɚ wɜːɹ ˌɪntɹədˈuːst, ʌntˈɪl fˈaɪnəli, ðə tˈɛɹɪtˌoːɹi ɪnðə sˈaʊθ ʌvðə sˈɑːvɚ ɹˈɪvɚ ɹᵻsˈiːvd nˈeɪm "mˈætʃvə".
In this time, the name "Syrmia" was used as a designation for territories on the both banks of the river Sava, while later, designations "Syrmia on this side" (in the north of the Sava river) and "Syrmia on the other side" (in the south of the Sava river) were introduced, until finally, the territory in the south of the Sava river received name "Mačva".