How Many Districts are There in Bihar? Posted on May 14, 2023January 21, 2025 By admin List of All Districts are in Bihar: Sr No. Name of District Area (Sq km) Population Famous Things 1 West Champaran 5,229 39,35,042 Lauria nandangarh,valmiki tiger reserve. 2 Vaishali 2,036 34,95,021 Birthplace of Lord Mahavira 3 Supaul 2,410 22,29,076 Hanuman Mandir 4 Siwan 2,219 33,30,464 Zeeradei Birthplace of India’s First… Read more