From the Wikipedia page 
The Upper Manya Krobo is one of the twenty-one (21) districts of the Eastern Region of south Ghana. The capital is Asesewa.
History Upper Manya Krobo district was carved out from the former Manya Krobo District in 2008. The Upper Manya Krobo district was created in 2008 and it was inaugurated on 29 February 2008.