super-regional       
adjective (also superregional) uk/ˌsuː.pəˈriː.dʒən.əl/ us/ˌsuː.pɚˈriː.dʒən.əl/
 超区域性的;多区域的
relating to or involving several regions
  This is a deal that will help the company to build a super-regional bank. 这项交易将帮助该公司建立一家超区域性银行。 
 The book provides a detailed history of superregional and regional relations. 这本书详细介绍了超区域性和区域之间关系的历史。 
 - More examples
 - It's a political organization that operates on a super-regional level.
 - Regional and super-regional tournaments were held at the university earlier this year.
 - The super-regional energy company is based in Chicago.
 - The company's properties mostly consist of super-regional shopping malls.