The project aims to update the parcels data in Makkah according to the international GIS standards. This is done through collecting accurate spatial data and studying the current status of parcel and reseolving any convelects in the parcel plans, which includes (approved plans for land divisions, regulation plans, survey krokie’s data, and unplanned areas plans), then work on assessing the validity and accuracy of spatial data, conducting correction and processing of plans and data, then designing a database depending on the International Standards, and compatible with Municipality’s data model, and then implementing the correction methodology for maps and plans, whether in office or through field surveying, and to convert data to GIS digital format then load those data into the final DB. The project also includes the development of modern procedures and technical specifications for receiving and accepting Krokie’s regulation plans submitted by consulting engineering offices.