Styrian dialect group

The Styrian dialect group ("štajerska narečna skupina", "štajerščina") is a group of closely related dialects of Slovene. The Lower Carniolan dialects are spoken in central and eastern Slovenian Styria and in the Lower Sava Valley and Central Sava Valley.
Phonological and morphological characteristics.
Among other features, this group is characterized by loss of pitch accent, tonemically high and lengthened accented syllables, lengthening of accented short syllables, and frequent development of "a" > "ɔ", and "u" > "ü" in the eastern part of the territory.