Vaishali district is a district of Mithila region in the Indian state of Bihar. It is a part of Tirhut division. Vaishali is known for being the birthplace of Mahavira of the Jain religion. Hajipur, its largest city and district headquarters, is known for its banana forest. The district is connected via the NH-77 and NH-322 highways, which connect the state capital Patna, the division headquarters Muzaffarpur, and the eastward district Samastipur.

Muzaffarpur is a city located in Muzaffarpur district in the Tirhut region of the Indian state of Bihar. It serves as the headquarters of the Tirhut division, the Muzaffarpur district and the Muzaffarpur Railway District. It is the fourth most populous city in Bihar.