Definition: The word "Hanover Insurance Group Inc." refers to a company that provides life, health, property, and automobile insurance policies, as well as other related services. The company was established in 1906 and is headquartered in Hanover, New York. "Hanover" is the name of the town where the company's headquarters are located, and "Insurance Group" refers to the type of insurance policies offered by the company. The term "Hanover Insurance Group Inc." typically refers to a group of companies that operate under the same corporate umbrella, but with different names and operations. These groups may be owned or operated independently, or they could form alliances or partnerships. Some companies in this industry may offer a wide range of insurance products, including health, automobile, property, and life policies. They are typically organized into specialized lines such as personal lines, auto, home, business, and travel insurance.