Start by logging in to your account on the web 

1.    Click Hunting Areas in the left-hand menu.

2.    Click Create new hunting ground

3.    Choose a name and Create new hunting ground

Do you want to create a border on your hunting ground?

1. Tap Map in the left menu

2. Tap the blue (+) symbol on the map and select Draw Boundary

3. Save

Now it's time to place map pins on your hunting ground, read more about this here.