Université Paris-Sud, located in Orsay, France, was one of the largest and most prestigious universities in the country. Established in 1970, it specialized in science, technology, and health, offering a wide range of undergraduate and graduate programs. The university was known for its strong research output and collaborations with various institutions. In 2019, Université Paris-Sud merged with other institutions to form Université Paris-Saclay, which aims to enhance educational and research opportunities. The new university continues to build on the legacy of Paris-Sud, promoting innovation and academic excellence in various fields, including mathematics, physics, and biomedical sciences.