You can set up departments in User Admin.
Adding Department Names
Step 1: Click on your name and you will see a drop down menu.
Step 2: Select . You will by default placed in the Employee Details page.
Step 3: Click on . The system should show you the Company Details page.
Step 4: Click on and you will see this page.
Step 5: Enter the department name
Step 6: Click on the button to add the Department