General Terms:
* Complex: This is a broad term that can refer to a group of buildings with a shared purpose, such as an office complex or a residential complex.
* Structure: This is a more neutral term that can refer to any building, but it doesn't necessarily imply a group.
* Ensemble: This term suggests a group of buildings that are designed to work together aesthetically or functionally.
Specific Terms:
* Campus: This term refers to a group of buildings belonging to a university or a college.
* City: This refers to a group of buildings and infrastructure that form a municipality.
* Village: This refers to a group of buildings in a small, rural community.
More Specific Terms:
* Cluster: This can refer to a group of houses or apartments that are grouped together in a specific way.
* Block: This can refer to a group of buildings that are located on a single street block.
* Estate: This can refer to a large group of buildings that are all owned by the same person or organization.
Ultimately, the best term to use will depend on the specific context and the type of buildings involved.