Killmacuagh (Castlemaine) is a townland in Athlone, County Westmeath, Ireland.[1] The townland is in the civil parish of St. Mary's.[2]
The townland stands in the southeast area of the town, and is bordered to the south by the Dublin–Westport/Galway railway line.[3] The An Post Athlone Mail centre stands in the townland, as well as number of private mail couriers such as DPD.