This demonstrates sending a geocoding request for "Toledo" and receiving a result in the US. The result returned depends on the region of the map. See also the demo for the ES region.
Read the documentation.
Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.
git clone -b sample-geocoding-region-us https://github.com/googlemaps/js-samples.git
Other samples can be tried by switching to any branch beginning with
git checkout sample-SAMPLE_NAME