Add Google Map API key

To configure Google Map API follow the below steps :

Go to Google API Console.
Log in with your Gmail account.
From the projects list drop-down option, select a new project.
Fill up your Project Name section and click Create.
Select your new project and then go to the navigation menu.
Select APIs & Service > choose Credentials. Click on Create credentials and then select the API key. Click on the close button.
After that go to Library > click on Maps JavaScript API > Click on Enable.
Again go to Library > in the searching area write places and select Places API > Click on Enable.
With the same procedure Library > places > select Maps Embed API > Click on Enable.
Go to APIs & Service > Credentials > Copy the API key and paste it to your site admin Navigation > Frontend Settings > Site Settings > Third Party Settings > Google map.
Click on the save button to save the changes.