coords
property of the AREA tag, specifies in pixels the relative coordinates that, together with the SHAPE attribute, define the shape of the active area of ​​the client's map.
coords = "0,10,20,20"
An example of using the coords property in the context of the required environment (see the full example below):

< IMG src = "htag/map.gif" useMap = #1> < MAP name = 1>
< AREA title = "this is an area rectangle" shape = RECT target = _blank coords = 18,31,93,100 href = "ac.htm" >
< AREA title = "this is a circle area" shape = CIRCLE target = _blank coords = 161,65,31 href = "ac.htm" >
< AREA title = "this is a triangle area" shape = POLY target = _blank coords = 300, 90,214,90,251,20 href = "ac.htm" >
< / MAP >