While beef steak may come from several different parts of a cow, ham steak is exclusively carved from the back portion of a pig. Specifically, it's the hind leg or shank, which is where ham comes ...
All parts of a pig: Greener biodiesel with the help of "sus scrofa domestica" My grandfather once said "You can use everything from a pig (Lat. sus scrofa domestica)" and he seems to be right.