The designation is unusual enough to stop you short. In Irish monument surveys, the word theatre can refer to anything from a formal Georgian playhouse to a much older earthwork or amphitheatre-like enclosure, and without further detail it is genuinely difficult to say which category applies here.

Townparks is a townland that sits within the historic urban fringe of Galway, an area that has seen layers of occupation from the medieval period onwards. The term "townparks" itself, common across Irish placenames, typically refers to land on the outskirts of a town that was historically reserved for grazing or common use, often parcelled out to burgesses or civic institutions. That a structure classified as a theatre should be recorded here hints at some organised use of the space, possibly connected to Galway's civic or cultural life, though the precise period and character of the monument remain unclear from what is currently available.