Cambridge is a city of Middlesex County in the U.S. State of Massachusetts. It is also the most populous city in the U.S. State of Masachussetts. Cambridge is one of the County seats of Middlesex County, the other one is Lowell. Cambridge has a total area of about 7 sq. miles. Apart from the education sector, there are a number of industries in and around the city like Analog Devices, Gen. Radio, Akamai etc. The transportation sector is quite advanced because of its location, and it is connected by roadways, railways and also airways. There are a number of places for tourist attraction which attract tourists in the area. There are a large variety of earning oppurtunities for the locals.