The History Department is located in Dwinelle Hall.
Enter Dwinelle from the side of the building facing the Valley Life Sciences building and the Moffitt Library. When you enter the building here, you will be on Level "B" of Dwinelle, and you should go up one floor to Level "C". At the top of the stairs, turn left and go down the hallway to the Main Office, number 3229.
Faculty and staff offices are located on Levels "B" and "C" of Dwinelle. Offices numbered in the 2000s are on Level "B" and those numbered in the 3000s are on Level "C".
For directions to campus and a detailed campus map, go to: http://www.berkeley.edu/map.