Arnala Fort
Palghar district, India
Arnala Fort is built on a small island off the port town of Arnala, located around 13 km (8 miles) north of Vasai, Maharashtra, India. Being an island fort, it is also called Jaldurg or Janjire-Arnala. The Marathas who built the present fort called it Janjire Arnala. The Vaitarna River in North Konkan meets the sea near this fort, allowing it to overlook the entire bay. The Government of India declared this fort as a National Protected Monument in Maharashtra on May 26, 1909.
Fort data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).