Japan Map [abandoned]

This is my first try at a map, and I've not noticed a map of Japan yet, so I had a go, here it is.
It's taken me quite a while but before I even think about continuing I would like some advice on where to go next. Any good advice would be helpful, and I haven't yet added territory names.
There are 45 countries on the map (The Northwestern territory in Kyushu is actually two territories, I have merged it into one territory so that I can make it 45 countries). I have also cut the top off of Hokkaido (The furthest north territoty, because otherwise I had trouble with the size.
I'd just like some good advice on where to go next, any advice on the bonuses, extra sea routes etc would be helpful. Just so I know whether it is worth continuing with it or not.
It's taken me quite a while but before I even think about continuing I would like some advice on where to go next. Any good advice would be helpful, and I haven't yet added territory names.
There are 45 countries on the map (The Northwestern territory in Kyushu is actually two territories, I have merged it into one territory so that I can make it 45 countries). I have also cut the top off of Hokkaido (The furthest north territoty, because otherwise I had trouble with the size.
I'd just like some good advice on where to go next, any advice on the bonuses, extra sea routes etc would be helpful. Just so I know whether it is worth continuing with it or not.
