Gwalior, Madhya Pradesh 474008, India
Gwalior Fort is one of the most impenetrable fortresses located in the heart of Gwalior situated on the top of a vast rocky mountain. It is also the places where the second oldest reference of the number 'zero' has been found in the form of a carving inside a temple on the top of the fort. The entire fort complex is well maintained and includes temples, water tanks, and palaces.
Location of Gwalior Fort