Located in the southwest region of Fingal, the Blanchardstown / Castleknock region of Ireland features an impressive array of natural and historic attractions, as well as a wide array of contemporary landmarks. The community hosts three important waterways, the Tolka, the Royal Canal, and the Liffey. Some of the more popular historical points of interest here include Luttrellstown Castle and the Shackleton Mills, among others. A substantial number of businesses and corporations exist within this area of Fingal, helping to support the local economy.

Popular industries here include IT-related services, production and distribution, retail services and products, and pharmaceutical wares. Cultural and social landmarks in the area include the National Aquatic Centre and the Draíocht Arts Centre.

Additionally, this region hosts the Institute of Technology Blanchardstown, which enrolls approximately 1,500 students across a wide range of academic disciplines.