Castel Arquato is a small town in the province of Piacenza, located in the Emilia-Romagna region of northern Italy. It is known for its well-preserved medieval architecture, and is often considered one of the most beautiful medieval towns in the region.

The town is dominated by the imposing Visconti Castle, which dates back to the 10th century and was once the residence of the Visconti family, one of the most powerful families in Italy during the medieval period. The castle features a large tower and a beautiful courtyard, and is surrounded by a moat.

Other notable attractions in Castel Arquato include the Church of Santa Maria Assunta, which dates back to the 12th century and features beautiful frescoes and a Romanesque bell tower; the Church of San Giovanni Battista, which dates back to the 13th century and is home to a valuable 15th-century wooden statue of the Madonna and Child; and the Palazzo del Podestà, a beautiful medieval palace that now houses the town hall.

The town is also known for its picturesque streets and squares, many of which are lined with beautiful medieval buildings and historic churches. Visitors can enjoy strolling through the town's charming streets, taking in the sights and sounds of this beautiful medieval town. Additionally, there are a number of restaurants and cafes in the town where visitors can sample local cuisine and enjoy the town's vibrant atmosphere.