GoDCers Love Maps 1878 Map of Bethesda District Nov 26, 2012 This is a great one. We finally dug up a few good maps of the surrounding area, outside the District line. This shows Bethesda and a chunk of Montgomery County (why is it named Montgomery County?). Click on it for a larger map. Map of Bethesda District in 1878 Ghosts of DC via EmailWant to get our great content sent to you by email? Sign up here and we'll stay in touch!