Clackmannanshire South ward encompasses the southern portion of the county, primarily consisting of the town of Alloa and its surrounding settlements. The area is situated on the north bank of the River Forth, with industrial heritage linked to brewing, glassmaking, and textiles shaping its development. The landscape transitions from urban centres to more open, green spaces on its fringes, including parts of the Hillfoots that lead towards the Ochil Hills.
The ward functions as the main administrative and commercial hub for Clackmannanshire. Alloa Tower, a medieval keep standing in the town centre, is one of the largest and oldest of its kind in Scotland. Transport connections are significant, with the Kincardine Bridge providing a key road link across the Forth to Fife. The area contains residential neighbourhoods, retail areas, and educational facilities serving the local population.