Muara Jawa is an administrative district {kecamatan) in Kutai Kartanegara Regency, East Kalimantan, Indonesia. It held 33,923 inhabitants as at the 2010 Census,Biro Pusat Statistik, 2011. and 41,561 inhabitants at the 2020 Census.Badan Pusat Statistik, 2021. As of 2025, it was inhabited by 49,317 people, and currently has the total land area of 619.16 km2. Its district seat is located at the village of Muara Jawa Ulu.
The district is situated to the south of the major city of Samarinda, and borders the districts of Sanga-Sanga to the north, Loa Janan to the east, and Samboja to the south. To the east it borders upon the numerous large islands in the widespread estuary of the Mahakam River where it discharges into the Makassar Strait. Of the many islands which comprise the estuary, which it shares with Anggana District, those in the southern part of the estuary (notably Bukuan, Cerocok, Kerbau, Layangan, Merdeka, South Merdeka, Central Merdeka, North Merdeka, Muaraulu, Nibung, Pegah, Greater Perangatan and Lesser Perangatan islands) belong to Muara Jawa District.
From 24 April 1969 until 21 October 1987, Muara Jawa belonged to Samarinda, along with Sanga-Sanga and Samboja Districts, until these districts were returned to Kutai Kartanegara on that date.
Governance
Villages Muara Jawa District is divided into the following eight villages (all classed as ), listed below with their areas, their populations as at mid 2023, and their post codes: Regional code() Name Area (km2) Pop'n (2023) RT() Postcode 64.02.14.1004 Teluk Dalam 215.93 3,822 15 75262 64.02.14.1001 Muara Jawa Ilir 13.41 6,014 20 75263 64.02.14.1002 Central Muara Jawa() 39.78 13,533 20 75264 64.02.14.1003 Muara Jawa Ulu 27.36 4,540 11 75261 64.02.14.1005 Dondang 30.51 2,931 14 75265 64.02.14.1006 Tamapole 15.17 526 28 76266 64.02.14.1007 Muara Kembang 261.00 3,750 16 76267 64.02.14.1008 Muara Jawa Pesisir 12.60 12,552 15 76263 Totals 619.16 44,070 139
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