Bekasi Regency (Indonesian: Kabupaten Bekasi) is a regency (kabupaten) of West Java Province, Indonesia. Its regency seat is in the district of Central Cikarang. It is bordered by Jakarta Special Region (the administrative cities of North Jakarta and East Jakarta) and by Bekasi City (which is a separate administration from the Regency) to the west, by Bogor Regency to the south, by Karawang Regency to the east and by the Java Sea to the north.

This highly urbanised area (largely suburban to Jakarta to its west) has an area of 1,151.53 km (444.61 sq mi) and contained 2,630,401 people at the 2010 Census and 3,113,017 at the 2020 Census, with an average density of 2,443.7 inhabitants per square kilometre (6,329/sq mi). The official estimate as at mid 2023 was 3,193,006. These figures exclude the area and population of the separate City of Bekasi (with 2,627,307 population in mid 2023), which lies between the Regency and Jakarta, and has been independent of the Regency since 16 December 1996.

The earliest evidence of the existence of Bekasi dates from the 5th century according to the Tugu inscription, which describes the name of two rivers that run through the city, i.e. Candrabhaga and Gomati and one of those rivers, i.e. Candrabhaga is the origin of the name Bekasi where the name Candrabhaga evolved into Bhagasasi due to the Sanskrit word candra which means moon evolved into Old Javanese word ‘sasi’ which also means moon and then the name Bhagasasi was misspelled as Bhagasi and then Dutch colonial government also misspelled the name Bhagasi as Bacassie and finally it became Bekasi.

During the colonial era, Bekasi was dominated by particuliere landerijen ('private domains'; tanah partikelir) which came under the rule of Landheeren (landlords). The landlords could impose taxation (cuke), tribute (upeti) and force labor (rodi) on the inhabitants of their private estates.

Among the most powerful gentry families in Bekasi was the Khouw family of Tamboen (keluarga Khouw van Tamboen). They ruled their extensive landholdings from their country house, landhuis Tamboen (now Gedung Juang Tambun).

Bekasi Regency is divided into 23 districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates for mid 2023. They are grouped in the table below (in non-official geographical sectors) to indicate the approximate position of the districts. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totalling 180 rural desa and 7 urban kelurahan), and their post codes.

Kode Wilayah	Name of District (kecamatan)	Area in km	Pop'n 2010 Census	Pop'n 2020 Census	Pop'n mid 2023 Estimate	Admin centre	No. of villages	Post code(s)
32.16.18	Setu	54.57	111,670	173,656	165,907	Lubangbuaya	11	17320
32.16.21	Serang Baru	51.42	103,587	149,527	152,783	Sukasari	8	17330
32.16.22	Cibarusah	37.00	74,587	94,802	102,578	Cibarusakota	7	17340
32.16.23	Bojongmangu	50.18	25,033	27,821	30,251	Bojongmangu	6	17350 - 17356
	Southern sector	193.17	314,877	445,806	451,519		32
32.16.20	Cikarang Pusat (Central Cikarang)	44.00	56,756	67,336	68,445	Sukamahi	6	17531
32.16.19	Cikarang Selatan (South Cikarang)	49.57	143,030	161,534	171,742	Sukadami	7	17532
32.16.11	Cikarang Timur (East Cikarang)	40.10	91,326	106,478	110,191	Jatibaru	8	17533
32.16.09	Cikarang Utara (North Cikarang)	36.43	230,563	228,937	239,769	Cikarangkota	11	17534
32.16.08	Cikarang Barat (West Cikarang)	53.04	211,578	205,333	211,089	Telaga Asih	11	17530
	Cikarang sector	223.14	733,253	769,618	801,186		43
32.16.07	Cibitung	35.79	195,566	242,557	255,947	Wanasari	7	17520
32.16.06	Tambun Selatan (South Tambun)	37.12	417,008	431,038	433,710	Tambun	10	17510
32.16.05	Tambun Utara (North Tambun)	29.67	137,099	194,405	193,581	Sriamur	8	17511
	Tambun sector	102.58	749,673	868,000	883,238		25
32.16.02	Babelan	59.41	209,564	270,050	256,183	Babelan Kota	9	17610
32.16.01	Tarumajaya	44.12	109,296	132,756	123,032	Pantai Makmur	8	17211 - 17218
32.16.17	Muara Gembong	160.54	35,503	40,321	43,722	Pantai Mekar	6	17730
32.16.03	Sukawangi	60.99	43,119	49,649	54,097	Sukawangi	7	17620
	Northern sector	325.06	397,482	492,776	477,034		30
32.16.16	Cabangbungin	47.79	47,844	55,488	60,214	Lenggahjaya	8	17720
32.16.13	Pebayuran	83.04	92,821	102,285	110,356	Kertasari	13	17710
32.16.14	Sukakarya	43.14	42,468	52,016	56,989	Sukakarya	7	17630
32.16.04	Tambelang	32.40	35,376	40,862	43,986	Sukarapih	7	17621
32.16.15	Sukatani	34.38	70,299	93,491	102,679	Sukamulya	7	17631
32.16.10	Karangbahagia	38.55	90,654	123,238	133,153	Karangbahagia	8	17535
32.16.12	Kedungwaringin	28.28	55,654	69,437	76,652	Kedungwaringin	7	17540
	Eastern sector	307.58	435,116	536,817	580,029		64
	Total Regency	1,151.53	2,630,401	3,113,017	3,193,006		187

Notes: (a) includes the kelurahan of Sertajaya. (b) includes the kelurahan of Telaga Asih. (c) includes the kelurahan of Wanasari.
(d) includes the kelurahan of Jatimulya. (e) includes the two kelurahan of Bahagia and Kebalen. (f) includes the kelurahan of Setia Asih.

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KM	Toll Road	Toll Gate	Destination
21	Jakarta–Cikampek Toll Road	Tambun	Tambun, Mustika Jaya, Setu
24		Cibitung	Cibitung, Industrial Complex
31		Cikarang Barat	Cikarang, Industrial Complex, Lemahabang
34		Cibatu	Cibatu, Jayamukti, Industrial Complex
37		Cikarang Timur	Cikarang, Pasirranji, Sukamahi

• Bekasi river