If you do not know it, Positano is a little beautiful village, a nice dream of many persons. The problem is that is is situated in a very inaccessible place. Both from Naples/ Sorrento and from Salerno the way to reach it is complicated.
Here, in this post, I'll explain you how can you reach Positano from Salerno.
When you arrive in Salerno with a train and go out on the square of the railway station, you will see this:
|the square of the railway station in Salerno|