Under "Account details" I see this:Click the small icon of your avatar on the top right-hand side of the screen (next to the envelope icon). That lets you into your account.
Click "Account Details" on the left hand side.
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Then scroll down past "Username", "Email", "Email Options", "Avatar", "Profile Banner", "Custom Title", and "Date of Birth".
The next one will be your "Location." Change it to whatever you want, and then click Save.
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That should do it.
Any idea why this might be the case? It's a new account, FWIW.