The areas of Kilmacud and Stillorgan are overlapping. For example, Kilmacud Crokes GAA club is located in Stillorgan and Stillorgan's Roman Catholic parish is called Kilmacud. Kilmacud can be described as the area between and immediately around the Upper and Lower Kilmacud Roads.
The areas of Kilmacud and Stillorgan are contiguous. For example, Kilmacud Crokes GAA club is situated in Stillorgan, and Stillorgan's Catholic parish is designated as Kilmacud. The boundaries of Kilmacud can be described as the space between and immediately surrounding the Upper and Lower Kilmacud Roads.