Article VI, Special Districts, includes special districts that are geographically defined and mapped. Each district has regulations specific to its area that have been established through public planning processes. These include: Bryn Mawr Village (BMV 1,2,3,4), Medical Center (MC), Bryn Mawr Medical District (BMMD 1,2,3), Rock Hill Road District (RHR), City Avenue District (CAD) which includes: Regional Center Area (CAD-RCA), Bala Cynwyd Retail District (CAD-BCR), and Bala Village (CAD-BV).