Information: - Sonma is a small village at Garhpura block , in Begusarai district . It is also written somewhere as '' Sonwan '' . Its neighbours are Mauji Harisingh , Kumharson and Bagmati river . Population of the village is around 15,000 . It is the 2nd largest village in Garhpura block . Presently Mukhiya of this village is Mrs.usha kumari . - Begusarai town is the administrative headquarters of Begusarai district, which is one of the thirty-eight districts of Bihar state, India. The district lies on the northern bank of river Ganga. It is located at Latitudes 25.15N & 25.45N and longitudes 85.45E & 86.36E. It was established in 1870 as a subdivision of Munger District In 1972. - Bihar is a state in the eastern part of India. It is the 13th-largest state of India, with an area of . The third-largest state of India by population, it is contiguous with Uttar Pradesh to its west, Nepal to the north, the northern part of West Bengal to the east, with Jharkhand to the south. The Bihar plain is split by the river Ganges which flows from west to east. - Begusarai District is one of the thirty-eight districts of the Indian state of Bihar. The city of Begusarai is its administrative headquarter. Given the paragraphs above, decide what entity has the relation 'located in the administrative territorial entity' with 'bihar'.
The answer to this question is:
sonma