Map - Cilacap Regency (Kabupaten Cilacap)

Cilacap Regency (ꦏꦨꦸꦥꦠꦺꦤ꧀ꦕꦶꦭꦕꦥ꧀, also spelt: Chilachap, old spelling: Tjilatjap, Sundanese: ) is a regency (kabupaten) in the southwestern part of Central Java province in Indonesia. Its capital is the town of Cilacap.

Cilacap Regency covers an area of 2,252.50 km2 (including the 115-km2 Nusakambangan Island off the south coast), and it had a population of 1,642,107 at the 2010 Census and 1,944,857 at the 2020 Census; the official estimate as at mid 2021 was 1,963,824. The languages used in Cilacap are the Javanese language and Sundanese language, but most people can speak Indonesian. The dialect used is Banyumasan.

There are schools of all levels in Cilacap and several higher-learning institutions. There are several academies such as Akademi Maritim Nusantara (National Maritime Academy). A polytechnic, called Politeknik Cilacap, was established in 2008 and offers education in Engineering, Electronics and Informatics.

Cilacap Regency comprises twenty-four districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as at mid 2021. The table also includes the locations of the district administrative centres, the number of administrative villages (rural desa and urban kelurahan) in each district and its post code. The three districts comprising Cilacap town formerly formed an Autonomous city, but have now been subsumed back into the regency.

Notes: (a) except the desa of Cigintung (which has a post code of 53222) and the desa of Limbangan (which has a post code of 53232). (b) includes the population but excludes the area (115 km2) of the offshore island of Pulau Nusakambangan.