Massachusetts
Massachusetts was a region located on the Atlantic coast of the North American continent of Earth. This was a state in the United States of America. The border states were Connecticut, New Hampshire, New York, Rhode Island, and Vermont. The two-letter code for this state was MA. It was one of the original thirteen states of the United States, and was mentioned in Article I of the United States Constitution. (; ; )

The first conclusive advances in toroidal space-time distortion were made in Massachusetts, specifically in Cambridge, in 2052. ()

In an alternate timeline in which Nazi Germany had invaded the United States, as of 1944 Massachusetts was controlled by German forces. ()

Omega IV 
On the planet Omega IV, this was one of the states of a parallel United States. It was mentioned in Article I of their Constitution. ()

Geography

Schools 
 Harvard University

Cities 
 Boston
 Cambridge
 Fairbridge (fictional)
 Pittsfield
 Salem

Regions 
 Greater Boston
 Berkshire County

Topography 
 The Berkshires

References 
 
 
  
 
 

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Earth subnational entities
The Dixon Hill Series