In the last few years the vegetation areas in Bekaa region of Lebanon are decreasing against urban sprawl, from here it came the idea of the application of available remote sensing indices, to distinguish bare-soil areas from urban region which plays an important role in the ecosystem. This paper introduces and use a set of new indices for mapping built-up and bare land areas and able to map and distinguish built-up and bare land areas and was tested by mapping these indices in Bekaa valley.