Santa Severa is a historic coastal town located in the Lazio region of Italy, near the Tyrrhenian Sea. It is known for its beautiful beaches and the impressive Castello di Santa Severa, a medieval castle that dates back to the 9th century. The castle has been restored and now serves as a cultural center, hosting exhibitions and events. The town is part of the municipality of Santa Marinella and is popular among tourists for its scenic views and rich history. Visitors can explore the castle, enjoy local cuisine, and relax on the sandy shores, making it a charming destination for a day trip.