Thanks for the reply. With a fixed location such as a postcode/zipcode there is more or less a
fixed point on the map that has a lat and long - i.e like putting a pin into the map. However with an area - e.g say an entire state in the US or a county in the UK, there isn''t a fixed point. So what I need is to draw a rectangle around the entire area (state or county etc) I am thinking the ...