Naulagarh
archaeological site in Bihar

Naulagarh is an archaeological site in the Begusarai district of Bihar, India. It is known for its multicultural background and cultural continuity. A number of coins ranging from punch marked coins to coins of the Muslim era have been reported to have been discovered by local people during agricultural practices. It is particularly notable for a black stone sculpture bearing the inscription of Vigrahapala III.
Description
The Naulagarh mound is situated approximately 20 kilometres north-northeast of Begusarai city, near Birpur block headquarters. The mound extends over an area of about 1.5 kilometres in length, from Bhit in the east to Fansiari Tola in Makhwa panchayat in the west. It is located between the Balan River (east) and the Bainti River (south), which join approximately 1 kilometre east of the mound's centre. The mound is intersected by a road that divides it into two parts. The northern section is notable for its landscape, which includes both natural and man-made water channels. It has been suggested that the site is the location of Apar Nigam mentioned in Buddhist literature.
The mound seems to be divided into threе parts:
The central fortification area covered by a 3 metre wide fortification wall made of baked bricks.
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