Bangkalan Regency is a regency of East Java province in Indonesia. The seat of its government is the town of Bangkalan. The regency is located on the west side of Madura Island, bordering Sampang Regency to the east, Java Sea to the north, and Madura Strait to the west and the south sides. It covers an area of 1,260.15 km², and had a population of 906,761 a…Bangkalan Regency is a regency of East Java province in Indonesia. The seat of its government is the town of Bangkalan. The regency is located on the west side of Madura Island, bordering Sampang Regency to the east, Java Sea to the north, and Madura Strait to the west and the south sides. It covers an area of 1,260.15 km², and had a population of 906,761 at the 2010 census and reached 1,060,377 at the 2020 census; however the official estimate as at mid-2023 showed a decline to 1,047,306 – comprising 515,428 males and 531,878 females.