The shop's physical address is set in a few different places in the settings. To be sure the addess is correct in all places you can use the list below to go through the settings and make changes where needed.
1) On the Settings > General settings > Address page you will find the shop's address. 
2) On the Settings > E-mail events page you can find for example the order confirmation email which is sent to customers under the "Order status" section. In the email settings you can change the signature that is used for all email events.
3) On the Settings > Order document settings page you can find the template for invoices and packing slips which contains the adress.
4) On the Self Provision > Invoice info you will find the contact details, including the address, which are used by Vilkas Group for invoicing. It's also important these details are up to date.