Below is a list of maps to the University of Michigan central campus:

Central Camps map and other locations on campus:
http://www.umich.edu/~info/mapsAndDirections.html#anchor_centralCampus

Map directions through Google maps (addresses to key buildings listed below):
Google Maps

Workshops:
Michigan Union
530 S State St
Ann Arbor, MI 48109    

Angell Hall / Mason Hall
435 S. State Street
Ann Arbor, MI 48109

Michigan League
911 N University Ave,
Ann Arbor, MI 48109

Biomedical Science Research Building
109 Zina Pitcher Place
Ann Arbor, MI 48109

Hotel:
Hampton Inn
925 Victors Way
Ann Arbor, Michigan 48108

Hampton Inn -Ann Arbor North
2300 Green Road
Ann Arbor, MI 48105

Banquet:
Eagle Crest Banquet Hall
1275 S. Huron Street
Ypsilanti, Michigan 48197