Before you can display your accounts on a map, you need to be able to store their location. In this module, you add a geolocation field to the Account object and enter some sample data.
In Setup, select Build > Customize > Accounts > Fields
In the Account Custom Fields & Relationships section, click New, and create a Location field defined as follows:
Click Next, Next, Save
Click the Accounts tab in the Sales application and enter a couple of accounts with their location information. For example, pretending your company does business with the hospitality industry, enter the following hotels:
Make sure you include the minus sign when entering the longitude.