It is located on Soi Samphan Thamit, just off Prajak Siilapacom, where the Nutty Park complex can be found, and a little further the night market and railway station.
She's friends of Fah who is the owner of Fun Bar.
Just use your own judgement.
The Scotsman, on the left side, is a bar that does not have bar girls working there, so if you are looking for a peaceful drinking, without the distraction or attention of one of the Thai lovely's, this bar will provide that refuge for you.
Generally speaking, the people and women in Udon Thani are friendly towards farangs.
A major difference is that Thai ladies know and want to express their feminine side.