MapPress Easy Google Maps is a free WordPress plugin by Chris Richardson, that uses the Google API so you can add maps to your posts and pages.
The plugin works with custom post types and multisite installations, and includes useful features such as shortcodes, street view support, custom text,real-time traffic and more. There is a paid for pro version you can upgrade to, with additional features.
Demo: https://mappresspro.com
More info: https://mappresspro.com/mappress/