Mahasthangarh is an ancient archaeological site located in Bangladesh, near the town of Bogura. It is considered one of the earliest urban archaeological sites in the country, dating back to at least the 3rd century BCE. The site features remnants of fortifications, temples, and residential areas, showcasing the rich history of the region. The area was once the capital of the ancient kingdom of Pundravardhana and has been a significant center for trade and culture. Excavations have revealed various artifacts, including pottery, coins, and sculptures, which provide insights into the life and society of the people who lived there.