Adding where your Organisation is based is a necessary step of the setup. You should add the country as part of the setup up however this can be amended easily in the settings. Accurate location is important if using payments, as Stripe will match your account with the country set in your Dapple account.
How to Add
Go to Settings and navigate to the Organisation Settings on the platform.
In the General settings, scroll down to Country.
Select your country from the dropdown selector.

