Warren is a city in Macomb County

Macomb County, Michigan

-Demographics:As of the census of 2000, there were 788,149 people, 309,203 households, and 210,876 families residing in the county. The population density was 1,640 people per square mile . There were 320,276 housing units at an average density of 667 per square mile...

 in the U.S. state of Michigan

Michigan

Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....

. The 2010 census places the city's population at 134,056, making Warren the largest city in Macomb County

Macomb County, Michigan

-Demographics:As of the census of 2000, there were 788,149 people, 309,203 households, and 210,876 families residing in the county. The population density was 1,640 people per square mile . There were 320,276 housing units at an average density of 667 per square mile...

, the third largest city in Michigan, and Metro Detroit's

Metro Detroit

The Detroit metropolitan area, often referred to as Metro Detroit, is the metropolitan area located in Southeast Michigan centered on the city of Detroit which shares an international border with Windsor, Ontario. The Detroit metropolitan area is the second largest U.S. metropolitan area...

 largest suburb

Suburb

The word suburb mostly refers to a residential area, either existing as part of a city or as a separate residential community within commuting distance of a city . Some suburbs have a degree of administrative autonomy, and most have lower population density than inner city neighborhoods...

.
The city is home to a wide variety of businesses, including General Motors Technical Center

General Motors Technical Center

The GM Technical Center is a General Motors facility in Warren, Michigan. The campus is home to 16,000 GM engineers, designers, and technicians and has been the center of the company's engineering effort since its inauguration in 1956....

, the United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 Detroit Arsenal, home of the Tank-Automotive and Armaments Command (TACOM) and the Tank Automotive Research, Development and Engineering Center (TARDEC), the headquarters of Big Boy Restaurants International, The Cadillac Motor Car Division

Cadillac

Cadillac is an American luxury vehicle marque owned by General Motors . Cadillac vehicles are sold in over 50 countries and territories, but mostly in North America. Cadillac is currently the second oldest American automobile manufacturer behind fellow GM marque Buick and is among the oldest...

 of General Motors

General Motors

General Motors Company , commonly known as GM, formerly incorporated as General Motors Corporation, is an American multinational automotive corporation headquartered in Detroit, Michigan and the world's second-largest automaker in 2010...

, Campbell Ewald, and Asset Acceptance

Asset Acceptance

Asset Acceptance is a trade name used by several companies owned by the parent corporation Asset Acceptance Capital Corporation, which has existed since the formation of the predecessor company in 1962. Asset Acceptance Capital Corp's main revenue-generating subsidiary is Asset Acceptance, LLC...

.