Lower Austria (Niederoesterreich) has a very realistic Second Life virtualization of four interconnected sims depicting the hilly region north of Vienna. I like the realism, everything is not necessarily charming here. A McDonalds with a bright sign is positioned next to a charming baroque church in the center of a small town Christmas market just like it is in real life. Make sure to visit before the Christmas decorations come down in the next few days.
To visit (this SLurl takes you to the red circled area in the map below):
To see my review of neighboring Bavaria in Second Life: