What is the approximate area of Gir Forest National Park?

Gir National Park and Wildlife Sanctuary, also known as Sasan Gir, is a forest, national park, and wildlife sanctuary near Talala Gir in Gujarat, India. It is located 43 km (27 mi) north-east of Somnath, 65 km (40 mi) south-east of Junagadh and 60 km (37 mi) south-west of Amreli. It was established in 1965 in the erstwhile Nawab of Junagarh's private hunting area, with a total area of 1,412 square km (545 sq mi), of which 258 square km (100 sq mi) is fully protected as a national park and 1,153 square km (445 sq mi) as wildlife sanctuary.