Since there seems to be a lot of questions on this forum about where to go or what to do during the Christmas season, I thought I would post this website. I happened to find it last week and it is the most extensive list I have run across yet during my internet surfing. It is in German, but just look for the towns and click on them. Sometimes, once you find a place, you can find more info later. Oh, and it also lists Easter markets and a bunch of other fun events too. Enjoy!
http://www.weihnachtsmarkt-deutschland.de/burgweihnacht.html