What are the prerequisites for creating a plant? | SAP-MM

  There are three prerequisites that are required for creating a plant. These are as follows:
   Factory Calendar — Comprises workdays, public holidays, and company holidays. Every SAP system is provided with a company calendar that can be modified per the schedule of the company.
  Country Key— Helps in defining a plant. It always comes along with the system, but you need to configure it in case it is not available with the system.
   Region Keys — Refers to a state or province that is associated with the country. It is required along with the country key.