Gellért Spa is a famous thermal bath located in Budapest, Hungary. It is part of the Gellért Hotel and is known for its stunning Art Nouveau architecture. The spa features indoor and outdoor pools, saunas, and steam rooms, all fed by natural hot springs rich in minerals. Visitors can enjoy various treatments, including massages and wellness therapies. The spa is popular among both locals and tourists, offering a relaxing experience in a historic setting. Its beautiful mosaics and stained glass windows add to the charm, making it a must-visit destination in Budapest.