{!$Organization.Street} {!$Organization.State}
The organization merge fields get their values from whatever values are currently stored as part of your company information in Salesforce.
Note that {!$Organization.UiSkin} is a picklist value, and so should be used with picklist functions such as ISPICKVAL() in custom fields, validation rules, Visualforce expressions, flow formulas, process formulas, and workflow rule formulas.
{!$Organization.Id} {!$Organization.Name} {!$Organization.Division} {!$Organization.Street} {!$Organization.City} {!$Organization.State} {!$Organization.PostalCode} {!$Organization.Country} {!$Organization.Fax} {!$Organization.Phone} {!$Organization.GoogleAppsDomain} {!$Organization.UiSkin}