Most of the invaders came from the north-western region, for them Panipat
enroute to Delhi and positioned as a suitable battle field. Panipat is a plain, less sloped area and had less population. This geographical feature gave an advantage to the rulers to use tactical weapons and to employ sound war strategy.
The area is drained by rivers like Yamuna and Ganga, these rivers were used by the rulers as strategic communication lines for war supplies and escape. The grand trunk roads build by Sher Shah Suri passes nearby Panipat. The invaders entered India through the passes like Khyber and landed into the battle fields of Panipat. The way to capture the power at Delhi passes through the battle field of Panipat.
Delhi is the power center through which the India was ruled throughout history; hence the Panipat acted as the axis to this center. Most of the invaders came from the north-western region, for them Panipat enroute to Delhi and positioned as a suitable battle field.