Sunset Towers
It's the building that the Wexler's, Theodorakis's, J.J Ford, Flora Baumbach, Sydelle Pulaski, The Hoo's, and all of the restaurants are and where one out of the four bombs were.
Shin Hoo's Restaurant
Jame's Hoo is the owner of Shin Hoo's restarant and the book is tooken place her a lot. It's where the meeting was held and many other gatherings of the heirs. There was also a BOMB at the restarant.
The Westing Mansion
This is where the book is mainly tooken place and is also where the Westing Games was held. Many characters play chess in the Mansion and many of the characters go here. This is the building Sam Westing was accused of being murdered in but, it was actually his fake murder.