Wittenburg is one of the main tourist destinations in Saxony, due to its being the home of the monk Martin Luther. It is next to the river Elbe, and two of its historical buildings have been put on the UNESCO World Heritage List - both the home of Martin Luther and the home of Melancthon, who was another prominent church figure.
Wittenburg also has a massive industrial park, which houses the chemical company SKW Stickstoffwerke Piesteritz GmbH. It is surrounded by wonderful countryside, which also houses numerous spa towns, and car hire in Wittenburg will allow you to travel around a bit. Hiring a car n Wittenburg is also the best way to explore the surrounding areas, away from the tourist hubbub.
Wittenburg, which is formally known as Lutherstadt after the monk Martin Luther, is a well-established tourist centre, so there is plenty to keep you entertained. Martin Luther's house, the Lutherhaus, in which he lived with his wife and family, has been amazingly preserved, and should be near the top of your list of things to see when hiring a car in Wittenburg; the Schlosskirche is also very impressive, and dates back to 1496. The spa town of Bad Schmiederburg is a short drive away, so you can rent a car in Wittenburg and take a break from all the sight-seeing and unwind in the baths.