Castillo de Aro, also known as Castell-Platja d'Aro, is a picturesque town located in the province of Girona in the Catalonia region of Spain. The town is situated on the Costa Brava, overlooking the Mediterranean Sea, and is known for its beautiful beaches, charming old town, and stunning natural surroundings. The town's historic center is characterized by narrow, winding streets lined with traditional Catalan buildings, as well as a medieval castle that gives the town its name. The castle, dating back to the 9th century, offers panoramic views of the surrounding area and is a popular tourist attraction.