Because the battle was arranged to be fought at Kurukṣetra, which is mentioned elsewhere in the Vedas as a place of worship – even for the denizens of heaven – Srila Prabhupada BG:1.1 Purport

Ksetra means generally called as holy place. There is no difference between the Lord Krishna and his holy places.

Why is the word dharma-kṣetre used in the first verse by Dhṛtarāṣṭra?

  • Dhṛtarāṣṭra knew that for the very long time people generally used this place to do Dharmic activities.
  • Since it is a holy place where always allows us to increase the dharmic activities.
  • This was used by the devas and devatas to perform their sacrificies.