The Princely State of Hapa was one of the Indian princely states that were administered by a native prince under the guidance of the British authorities. The princely state was under the indirect control of the British Empire in India. The region was extended over a total area of 5 sq miles and comprised of a total population of 991 in the year 1931. The Princely State of Hapa incorporated two villages that were located around 5 miles from the region of Himatnagar, which was the capital of the Princely State of Idar at the time. The Princely State of Hapa was surrounded by the state of Palajpur (Bawishi Thana) in the north. In the east, the state was bordered by the territories of British India and Tajpuri bordered the regions of west and south. The native state was under the administrative control of the Baroda Agency, which was incorporated as a part of the Western India States Agency. Later the territory was merged with the state of Gujarat. The state was also a part of the Sabar Kantha Agency and Sadra Division.
