Hi, On a round surface (in terms of space / a place) as you asked, I do not see a difference. However, in general, I feel 'center area' leans toward a geometrical center location, while 'central area' connotes an idea about a location where most of activities are going on or where essential information can be gathered. You may hear different opinion(s) from others.
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Hoa ThaiHowever, in general, I feel 'center area' leans toward a geometrical center location, while 'central area' connotes an idea about a location where most of activities are going on or where essential information can be gathered.Thanx, that sounds logical enough to distinguish the two.