Castiglione della Pescaia is an ancient seaside town located in the province of Grosseto within the Tuscany region of central Italy. Situated in the Grossetan Maremma, the modern settlement developed around a 12th-century medieval fortress and a large fishery, which provided the town with its name.
The area is a popular tourist destination featuring diverse attractions such as beaches, biking trails, and historical Etruscan archaeological sites. Notable landmarks include a panoramic medieval hamlet and the Diaccia Botrona Nature Reserve. This reserve is a swampy humid environment of historical significance that serves as a habitat for endangered wildlife, including mallards, ducks, and pink flamingoes.