I've always wanted to talk about Transylvania, mostly because my family is from the area, but one relative in particular is from Timisoara, and she tends to refer to the area as a "part of Transylvania"
My mistake. (Read it here.) As Lucien M. pointed out, it is a part of the Banat, which really isn't a part of Transylvania, and it is distinct. I found this map, now in the darker region this is the Banat area, and the Transylvania region is the lighter colour.
Maybe I should start saying that this is a Transylvania and Banat blog!
You tell me.