This document describes the design of a vehicle tracking system using GPS and GSM technologies along with a smartphone application. The system has two main units - a vehicle unit that tracks the vehicle's location using a GPS module and transmits it via GSM/GPRS to a remote server, and a monitoring unit where the user can track the vehicle on a smartphone application. The system aims to provide security for parked vehicles and allow users to locate a stolen vehicle. It was designed using an Arduino microcontroller, GPS and GSM modules, and can find various applications like fleet management and monitoring drivers.