They are East of Dourbridge.
East of Dourbridge is Hieghts of Loneliness
It's inland (east) from Slurry Coast.
Outside the heights of Loneliness. This is East of Dourbridge and North of Bloomingdale on the left side
Rampages, which are found around Dourbridge, or you can buy it at Batsureg.
He is in the big tent in the north-east corner of Dourbridge.
(Possible spoiler) folow the path south from the dourbridge region
Slurry Quay is the little docking area west of Dourbridge, you are taken there when you are done at Port Llafan.
If you've reached Dourbridge, the Heights of Lonliness are atop the nearby mountains. You will see a cottage at the base.
It's part of the main quest so can't really be missed. You have to complete the plot related quests at Porth Llaffan first, until a ferry service is opened. This ferry will take you to Slurry Quay, and Dourbridge is only a short distance East from there.
That doesn't sound right, your copy of the game might be corrupt. See if you can take it back for a replacement.
the secret shop in dourbridge. you need the ultiment key which you get by killing goreham hogg. it's right beside the item shop.