About 26 km. from Dhaka, Sonargaon is the earliest known capital of Bengal. It was the seat of Deva Dynasty until the 13th century. From then onward till the advent of the Mughals, Sonargaon was the subsidiary capital of the Sultanate of Bengal. Among the ancient monuments still intact are the Tomb of Sultan Ghiasuddin (1399-1409 A.D.) the shrines of Panjpirs and Shah Abdul Alla and a beautiful mosque at Goaldi village.