jyotisar ka ullekh hindoo pauranik mahakavy mahabharat mean hua hai. mahabharat ke anusar yah hariyana ke kurukshetr mean sthit ek kasba hai.
- yah mana jata hai ki mahabharat ka yuddh isi sthan par hua tha.
- yahaan ek baragad ka vriksh hai. usi vriksh ke niche shrikrishn ne arjun ko 'gita' ka upadesh diya aur yahian par arjun ko apana virat roop bhi dikhaya tha.
- jyotisar ka arth hai- 'jyoti' arthat 'prakash' tatha 'sar' arthat 'talab'.