By default Event Gallery places the uploaded images in the
You might want to change this.
Have a look at the file components/com_eventgallery/config.php.
This file defines some constants.
If you want to override some of those constants please create a file config_override.php in the same folder and do your changes.
Please be very careful with this! Don’t change the config.php file directly.
It’ll be overridden with every update.