City of Portsmouth USGS Portsmouth Quad, NH,ME, Topographic Map

City of Portsmouth is a Civil in the state of (county of Rockingham), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 43.05703 and W -70.78144. City of Portsmouth is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Portsmouth quad. The nearest major town is Newington, NH.