How Locations work
Locations are a physical place from which you ship your products. You can specify multiple locations if you need, for example, if you have multiple stores, a pop-up site, or if you have a warehouse that you ship from separate to your office. Setting up locations allows you to track your inventory, quote accurate shipping rates and print 'Sender Details' on your shipping labels.
If you move location, open another store, or rent a warehouse, you'll need to either add a location or edit your locations. Locations are added via your Shopify Dashboard and will be reflected in Australia Post Shipping once you Resync Locations.
Editing Your Locations in Shopify versus Addition
Setup your locations
Once you've installed Addition, you will want to ensure your 'Locations' are also set up in the app.
From the Addition dashboard, click Settings.
Click Locations, then Resync Locations to refresh the list of locations.
You'll see a refreshed list of the locations you have setup in your Shopify admin.
To find out more about Locations, read the Shopify article: Locations.