On March 4, 2025, the YouthMappers Chapter at the Institute of Remote Sensing and GIS (IRS), Jahangirnagar University, proudly celebrated Open Data Day 2025 with an impactful event titled "Mapping Resilience: Harnessing Open Data for Flood Preparedness in Sunamganj." This celebration united over 50 students in a full-day program dedicated to open data, disaster resilience, and community engagement. Why Sunamganj? Sunamganj, a flood-prone region of Bangladesh, served as the fo

Welcome to my article (my journey) in the world of OpenStreetMap (OSM) (https://www.openstreetmap.org/user/Bayazid%20Ahmed), an open collaboration map that envisions geographic data available for the common good. Over the last couple of months, I have participated in many OSM events and training sessions. Through these experiences, I have gained knowledge and earned several certificates of participation. I. Introduction Mapping goes a step further than simply drawing the geog