Ghailarh is one of the administrative divisions of Madhepura district in the Indian state of Bihar.

The block headquarters are located at a distance of 32 km from the district headquarters, namely, Madhepura.

Ghailarh is located at 25°56′54″N 86°45′10″E / 25.9483206°N 86.7528534°E / 25.9483206; 86.7528534 Panchayats in Ghelardh community development block are: Srinagar, Chitti, Bhatrandha Parmanpur, Bardaha, Jhitkia, Ghailadh, Araha MahuaDighra, Bhan Tekthi and Ratanpura[1] In the 2011 census Ghailarh Block had a population of 91,821.

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