What is a group of Apartments called?

A group of apartments is commonly called a Range. Other collective nouns you may see include Block.

Collective nouns for apartments, also known as housing complexes or residential buildings, are terms that describe a group or collection of multiple apartment units located within a single structure or development. These nouns help to categorize and identify these clusters of residential spaces, highlighting the shared features or purpose they represent. One widely recognized collective noun for apartments is "apartment complex." This term refers to a large-scale residential structure consisting of multiple apartment units or buildings. Apartment complexes often include a range of amenities such as parking lots, gardens, playgrounds, recreation areas, and sometimes even commercial spaces like shops or restaurants. Another collective noun used for apartments is "residential complex." This broad term encompasses different types of residential buildings, including apartment complexes, townhouses, condos, or even mixed-use developments that combine residential and commercial areas. In urban areas, especially high-density cities, the term "housing estate" is often employed as a collective noun to describe a large-scale development composed of numerous apartment units or housing blocks designed in a cohesive manner. These estates may have shared facilities, such as swimming pools, gyms, or common areas, promoting a sense of community within the complex. "Apartment cluster" is another collective noun that emphasizes the close proximity and clustering of apartment units within a particular space or area. It refers to a group of apartments situated together, often sharing common walls, entrances, or service utilities. Furthermore, the term "multi-unit building" is a collective noun frequently used to describe an apartment structure containing multiple attached units under the same roof. This may include low-rise, mid-rise, or high-rise buildings where individual apartments are stacked vertically or arranged horizontally. All these collective nouns collectively serve to designate and categorize developments and structures containing groups of apartments. They provide a convenient way to refer to these residential complexes, highlighting their shared attributes, purpose, and sense of community within a larger context.