Southern Barrens is completely wrong.
“The stagnant oasis” is the entrance to duskwallow marsh…
Roads and locations are completely wrong.
There’s a similar issue with Shozlar Basin where there’s a specific square area in there where a chunk of Icecrown zone shows up on the minimap for some reason. It was there prior to the MOP prepatch too.
So I’m not surprised there’s map issues elsewhere.