The "geo-encryption" or "area based encryption" is a security calculation that constrains the get to or decoding of data substance to indicated areas or potentially times. This calculation does not supplant any of the traditional cryptographic calculations, however rather includes an extra layer of security to exist stack. GSM is picked as a contextual investigation to execute geo-encryption in its key era part because of its numerous properties that are gainful to this convention. GSM's BTSs are appropriated over the system and their flag can achieve places like urban gulches and indoor situations inside the system. In GSM, information stream between portable endorser (MS) what's more, BTS is scrambled by A5 encryption calculation. A5's encryption and unscrambling key (kc) is created base on MS's SIM card parameter (ki) and an arbitrary number, RAND. In the symmetric figures it’s better to utilize transient key rather than steady key for this at this venture we have utilized MS's area data to create this key by geoencryption calculation thought. Scrambled information just in the MS's area that just GSM system knows about it, can be decoded and itsexactness relies on upon utilized situating calculation.