Area, they say, is eyesore (5)
I believe the answer is:
sight
'eyesore' is the definition.
(I've seen this before)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for sight that I've seen before include "A lot" , "object of especial interest" , "Spot - eyesore" , "good deal" , "Notice" .)