Situated very close to the town of Junnar in Pune district, this was one of the most difficult forts of Shivaji. Also famous, as Shivaji was born here. Few other prominent forts are remembered on various accounts. Purandar, one of the strongest hill forts. Pratapgad, an authentic Maratha fort, practically untouched by other hands. Sajjangad is remembered for Ramdas Swami, the spiritual guru of Shivaji. Vishalgad, 112 kms from Kolhapur, considered as the grandest and the most coveted of the hill forts. There are many sea forts in Maharashtra's Konkan region as well. They were built by the the Bijapur kings, but were later captured by Shivaji.