Geolocation is one of the core services of Backendless.
Using the Geolocation API you can easily add a sense of location to your application. Backendless provides a powerful mechanism for metadata-based searches in a geographic area (rectangle or radius). The latest release of Backendless includes an entirely rewritten Geolocation management interface in the Backendless Console.
This video provides an overview of the capabilities we added to the product: