Somapura Mahavihara ( `` Shompur Môhabihar '' ) in Paharpur , Badalgachhi Upazila , Naogaon District , Bangladesh is among the best known Buddhist viharas in the Indian Subcontinent and is one of the most important archeological sites in the country .
`` Shompur Môhabihar '' ) in Paharpur , Badalgachhi Upazila , Naogaon District , Bangladesh is among the best known Buddhist viharas in the Indian subcontinent . It is one of the most important archaeological sites in the country .