Most cities, if you look at pictures of them from space, look sort of circular or oblong, like paint dripped on the natural landscape, oozing out from a central point until it forms an untidy blotch on the face of the Earth. It's a side effect of how transportation works, even though some cities are twisted by geography; San Diego for instance looks more like an amorphous blob, and sometimes I think Chicago looks a bit like a bird dropping. But most cities have a shape that, with enough squinting and imagination, could be interpreted as a circle.
And then there are oddities. Like
Conakry. It reminds me of something. I just can't quite think of what.
(If you're SJMA and you're wondering why I'm wasting time commenting on Conakry's geography, I don't advise attempting to invade it without two more LCACs and another pair of CH-53s)