Labuhanbatu Regency

Labuhanbatu Regency, alternatively written in space as Labuhan Batu Regency, is a regency of North Sumatra Province in Indonesia. Its administrative seat is Rantau Prapat. An original regency of the province, it had an area of 9,703 km² as at early 2008, prior to the separation out of its southern and its north-western districts respectively to create the new South Labuhanbatu and North Labuhanbatu Regencies on 21 July 2008.
Subsequently, the reduced regency has an area of 2,772.57 km² and had a census population in 2010 of 415,248, which rose to 493,899 at the 2020 Census; the official estimate as at mid 2024 was 520,545.
The Panai Estuary, which consists of the Bilah River and Barumun River, is located in this regency, and it was the seat of the ancient Buddhist trading kingdom of Pannai, ca. 11th to 14th centuries, connected to the Bahal temple in North Padang Lawas Regency.

Administrative districts

Following the separation off of thirteen districts to form the new South Labuhanbatu and North Labuhanbatu Regencies on 21 July 2008, the reduced regency is now divided administratively into nine districts, tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as at mid 2024. The table also includes the locations of the district administrative centres, the number of administrative villages in each district, and its post code.

Kode Wilayah	Name of District	Area in km²	Pop'n Census 2010	Pop'n Census 2020	Pop'n Estimate mid 2024	Admin centre	No. of villages	Post code
12.0.09	Bilah Hulu	385.02	56,388	64,416	67,134	Aek Nabara	24	21451
12.10.14	Pangkatan	271.13	31,738	37,766	39,796	Pangkatan	7	21462
12.10.07	Bilah Barat	291.05	33,753	39,953	42,041	Janji	10	21411
12.10.08	Bilah Hilir	472.26	49,928	59,370	62,550	Negeri Lama	13	21471
12.10.20	Panai Hulu	225.98	33,144	38,028	39,679	Tanjung Sarang Elang	7	21470
12.10.18	Panai Tengah	584.56	33,570	41,143	43,703	Labuhan Bilik	10	21472
12.10.19	Panai Hilir	391.13	35,811	42,761	45,102	Sei Berombang	8	21473
12.10.02	Rantau Selatan	60.20	57,948	73,977	79,452	Sioldengan	9	21421 - 21429
12.10.01	Rantau Utara	91.24	82,830	96,485	101,088	Rantau Prapat	10	21411 - 21419
	Totals	2,772.57	415,110	493,899	520,545	Rantau Prapat	98

Notes: except the desa of Kampung Baru, which has a post code of 21415.
including the two kelurahan of Negeri Lama and Negeri Baru, with 7,112 and 5,105 inhabitants respectively as at mid 2023.
including the offshore island of Pulau Ongah Labuhan. including the kelurahan of Labuhan Bilik, with 4,118 inhabitants as at mid 2023.
including the offshore island of Pulau Sikantan. including the kelurahan of Sei Berombang, with 13,616 inhabitants as at mid 2023.
comprises 9 kelurahan - Bakaran Batu, Danobale, Lobu Sona, Perdamean, Sidorejo, Sigambal, Sioldengan, Ujung Bandar and Ujung Kompas; see Rantau Prapat for details.
comprises 10 kelurahan - Aek Paing, Bina Raga, Cendana, Kartini, Padang Bulan, Padang Matinggi, Pulo Padang, Rantau Prapat, Sirandorung and Siringo-ringo; see Rantau Prapat for details.