Bavarian dialects are spoken in Altbayern (and in the adjacent Austrian lands), as distinct from East Franconian and Alemannic (Swabian) in the Franconian regions and Bavarian Swabia.
Regional dialects native to Bavaria, such as those spoken in Altbayern and neighboring Austrian areas, set them apart from East Franconian and Alemannic dialects found in the Franconian regions and Bavarian Swabia.