What is a tri-state area?
This term is used in multiple parts of the United States to refer to regions where three states come together.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is a tri-state area?
### Input: 
### Response: This term is used in multiple parts of the United States to refer to regions where three states come together.