Enhance Your Site’s Attributes  |  Search  | Google Developers

Add your local businessTo claim an existing physical business or create a new one, use Google My Business. Once you verify yourself as the owner of a listing, you can provide and edit your address, contact info, business type, and photos. This enables your local business information to show up in Google Maps and in Knowledge Graph cards.Google My Business Info is authoritative. Contact markup on your official website will not overwrite data provided via Google My Business.

Source: Enhance Your Site’s Attributes  |  Search  |  Google Developers