Petrapole is the Indian side of Petrapole-Benapole border checkpoint between India and Benapole of Bangladesh, on the Bangladesh-India border, near Bongaon in North 24 Parganas district of West Bengal. Petrapole border is the only land port in south Bengal. It is also the largest land customs station in Asia.

Benapole is a township in Sharsha Upazila in the Jessore District of Bangladesh. The Petrapole Customs station of India is situated across the border and since 1971, many people have travelled between Bangladesh and India through Benapole Customs / Land port station. The railway link between Bangladesh and India through Benapole was discontinued when war broke out between Pakistan and India in September 1965. Urbanization of Benapole started in the 1990s along the Grand Trunk Road. In April 1971, the operational area of the sector 8 comprised the districts of Kushtia, Jessore, Khulna, Barisal, Faridpur and Patuakhali. At the end of May the sector was reconstituted and comprised the districts of Kuhstia, Jessore, Khulna, Satkhira and the northern part of Faridpur district. Benapole served as the headquarters of sector 8 in the liberation war. It has the largest land port in south Asia and Bangladesh.