Maharashtra is home to over 390 forts, most built or strengthened under Chhatrapati Shivaji Maharaj in the 17th century, forming a robust military landscape. These coastal and hill forts—notably recognized under the UNESCO "Maratha Military Landscapes" designation—include key sites like Raigad, Rajgad, Shivneri, and Sindhudurg, representing incredible military engineering and Maratha