Babra Thana covered a total area of 298 sq miles and comprised of a total population of 21,406 in the year 1931. The region included around 13 estates and almost all of the estates were held by Khachar Kathi and Vala shareholders, including talukdars and bhagdars. The territory also included the villages of Vavdi, situated 6 miles towards the southwest of Babra, and Kotda Pitha, which belonged to the 3 Bhoka Jaitani talukas and Kotda Pitha respectively. Babra Thana was generally bordered by the princely state of Jasdan in the north; by the princely state of Bhavnagar in the east; by the estate of Jetpur in the south; and by the princely state of Gondal in the west.
The princely state of Bildi was a non- jurisdictionary native state and it did not pay any annual tribute to any other Indian princely state or to the British authorities. The Baunbai, who initially came from Sind, were the ruling family of Bildi state. The native rulers of the state held the title of Talukdar and the style of Vahivatdar. According to the Attachment Scheme of 1943, the princely state of Bildi was attached to the princely state of Baroda in May 1943.
After the partition of India on 15th August 1947, the former native state was acceded to the newly independent Union of India.