This political map example shows the six UK parliamentary constituencies of Cornwall, the capital city Truro and main towns.
"Cornwall is a peninsula bordered to the north and west by the Celtic Sea, to the south by the English Channel, and to the east by the county of Devon, over the River Tamar. ...
The administrative centre, and only city in Cornwall, is Truro, although the town of St Austell has the largest population. ...
Following a review by the Boundary Commission for England taking effect at the 2010 general election, Cornwall is divided into six county constituencies to elect MPs to the House of Commons of the United Kingdom." [Cornwall. Wikipedia]
The political map example "Cornwall parliamentary constituencies map" was drawn using ConceptDraw PRO software extended with the Map of UK solution from the Maps area of ConceptDraw Solution Park.