This paper introduces an Extended Reality (XR) prototype application designed for geopositioning (or geolocation) and overlay within a large project. The project aims to refine an existing application to improve functionality and usability in immersive settings. Objectives include enhancing the application’s positioning system and implementing geopositioning techniques like fiducial mark recognition, GPS positioning, and manual input of geographic coordinates. Developed following a BIM methodology, the prototype integrates with the project’s Common Data Environment (CDE) and is available for Android and Hololens 2 devices. Various geopositioning methods have been explored, including fiducial mark recognition, enabling precise model positioning regardless of mark orientation or size. Multi-mark functionality allows positioning at different points by focusing on multiple fiducial markers. GPS positioning utilizes the device’s GPS to determine and place the user’s coordinates within the virtual environment, albeit with limitations in accuracy indoors. Manual input of UTM or geographic coordinates offers users flexibility in viewpoint selection, accompanied by virtual reference axes for orientation. Additionally, geopositioning via Raycasting Navigation allows users to touch the screen to position the virtual camera, similar to Google’s Street View. Despite successes, challenges persist in image recognition in real project environments due to changing conditions and repetitive elements. Overall, the prototype demonstrates progress in geopositioning and overlay functionalities. Future efforts will focus on addressing image recognition challenges and enhancing usability.