Coming from West bay you need to go C Ring Road this is the most uncomplicated road you can take to reach Mansoura. When you are in C Rind Road just go along until you reach Al Muntaza signal, there is one big building under cnstruction folks called it titanic cause it looks like a big ship of titanic and you can't miss it its do huge on the corner, there is the Mansoura area. Hope you find what you are looking for.