55+ communities, or active adult communities, are residential areas designed for individuals aged 55 and older. These communities offer a lifestyle tailored to older adults, featuring low-maintenance housing and various amenities such as fitness centers, swimming pools, and walking trails. Social interaction is encouraged through organized events, hobby groups, and recreational activities. Many communities provide additional services like healthcare facilities, transportation, and dining options. Located in desirable climates and scenic areas, they offer a serene and enjoyable living environment. The primary goal is to foster a vibrant, supportive atmosphere where residents can enjoy their retirement years with a focus on health, wellness, and social connections.

Boston is the capital and most populous city of the Commonwealth of Massachusetts in the United States and the largest city in New England. Considered the unofficial capital of the New England region, Boston had an estimated city-proper population of 596,638 in 2005. The city lies at the center of America's eleventh-largest metropolitan area known as Greater Boston, which is home to 4.4 million people. Residents of the city are called Bostonians. Through land reclamation and municipal annexation, Boston has expanded throughout the peninsula. It has become one of the most culturally significant cities in the United States, and is recognized as a global city. With many colleges and universities within the city and surrounding area, Boston is a center of higher education and a center for health care. The city's economy is also based on research, finance, and technology — principally biotechnology.