Geoinformatics integrates computer science and engineering, geosciences, and cartography to measure, quantify, analyze, and present geographical phenomena and events. In essence, geoinformatics forms a critical component in a new information infrastructure that supports applications such as smart cities. This course will introduce and explore the disciplinary context of geoinformatics by examining many of the sub-domains. We will explore the technology background and methods of spatial big data, geographic information systems (GIS), and geovisualization. We will use real-world case studies to cover practical uses, techniques, and interpretation. This course aims to introduce geoinformatics as an interdisciplinary science and technology field to students genuinely curious about solutions related to integrating geography and digital technologies. Course exercises will include short case study reports, lab exercises, and a mini-final project. By the end of the course, students should be able to appreciate the role and potential of geoinformatics in research and industry.