Hey Forcas - welcome to the Guild. Quick question. Did you start from a hand drawn map?
I ask because it looks like you worked to the "edge of the paper". If that's not the case then what was the reason for drawing to the border?
I used to do this a lot. I always started my maps on 8.5 x 11 paper and worked to the edge.

You should keep at it. Just do some fast sketches to get used to the shapes and layouts.
Cities aren't so bad to do. They take a bit more time but the basic elements of a city are pretty simple when you break it down.