How to Сhange Googlemap Location (address)
The map location can be either entered in Theme options -> Footer -> Google map parameters
Alternatively, you can add "Googlemap marker" element inside "Google map" using Visual Composer:
The map api key is entered in Theme Options -> Service -> Google api key: http://prntscr.com/ewbhwj
Here is the guide how to get it: https://developers.g...t-api-key?hl=en