It is said Lord Buddha visited Champanagar in Bihar several times during his lifetime, preaching Kandaraka Sutta, the famous Sonadanda Sutta and made several other important discourses here. According to legends, the city got its name from the champaka grove, which was Lord Buddha's favourite, while staying in the city.
The nearest prominent city is Bhagalpur, 7 km away
Standing at a height of 104 ft and with a diameter of 1,400 ft, the Kesaria stupa in Bihar is one of the highest in the world, twice the size of Sanchi stupa.
Ahichchhatra (or Ahi-Kshetra) was the ancient capital of Northern Panchala, a northern Indian kingdom mentioned in Mahabharata.
Located in Uttar Pradesh, Kaushambi was one of the places Lord Buddha had visited during his travels and have given many sermons.