Mithila (IAST: '), also known as Tirhut and Tirabhukti, is a geographical and cultural region of the Indian subcontinent bounded by the Mahananda River in the east, the Ganges in the south, the Gandaki River in the west and by the foothills of the Himalayas in the north. It comprises of certain parts of Bihar and Jharkhand of India and adjoining districts of the eastern Terai of Nepal.