Aleyda Solis posted on Twitter a tip that SEOs and search marketers will love, to test regional based search results using Chrome developer tools "sensors" feature. In short, you can easily emulate being in any region and location by turning on the Sensors tool and telling it the latitude and longitude you want to test.
Here are the help documents on using this tool. Here is how you get to it within Chrome:
Once there, you can enable the geolocation emulation by selecting the Emulate geolocation coordinates checkbox in the sensors pane of the emulation drawer:
Here is a screen shot from Aleyda showing the use case:
Super useful tip!
Forum discussion at Twitter.