Banyumas Regency is an inland regency in the southwestern part of Central Java province in Indonesia. Its capital is the town of Purwokerto, but that town no longer has a central administration and is split over four of the districts within the Regency, with a combined population of 233,865 as of mid-2023. The Regency covers an area of 1,391.15 km², and had …Banyumas Regency is an inland regency in the southwestern part of Central Java province in Indonesia. Its capital is the town of Purwokerto, but that town no longer has a central administration and is split over four of the districts within the Regency, with a combined population of 233,865 as of mid-2023. The Regency covers an area of 1,391.15 km², and had a population of 1,554,527 at the 2010 Census and 1,776,918 at the 2020 Census; the official estimate of the population as of mid-2023 was 1,828,573.