Travelers are voting Fort Vredeburg and Fort Portuguese as the best forts in Java Island. There is 1 fort in Yogyakarta a city just 30 km from Java Island. The most popular of these is Fort Vredeburg in Yogyakarta. You can find 13 Fort in the country of Indonesia and Fort Marlborough is our members favorite Fort in all of Indonesia. Want more? Check out our map of forts in Java Island.