Top 10 Largest Provinces in Indonesia

Indonesia’s total land area covers approximately 1,890,179.8 $\text{km}^2$, spread across 38 provinces. The scale ranges immensely:

The Largest Province: Central Kalimantan spans a massive $153,430.36\text{ km}^2$.
The Smallest Province: Jakarta (the Special Capital Region) covers just $661.53\text{ km}^2$.

The top largest provinces are heavily concentrated on the outer islands of Kalimantan (the Indonesian portion of Borneo) and Sumatra, featuring extensive river basins, dense tropical rainforests, and rugged terrain.

The Top 10 Largest Provinces in Indonesia

Rank	Province	Major Island / Region	Land Area (km2)	Capital City
1	Central Kalimantan (Kalimantan Tengah)	Borneo	153,430.36	Palangka Raya
2	West Kalimantan (Kalimantan Barat)	Borneo	147,018.06	Pontianak
3	East Kalimantan (Kalimantan Timur)	Borneo	126,951.76	Samarinda
4	Riau	Sumatra	89,900.78	Pekanbaru
5	South Sumatra (Sumatera Selatan)	Sumatra	86,771.92	Palembang
6	North Sumatra (Sumatera Utara)	Sumatra	72,437.76	Medan
7	North Kalimantan (Kalimantan Utara)	Borneo	69,900.89	Tanjung Selor
8	Central Sulawesi (Sulawesi Tengah)	Sulawesi	61,496.98	Palu
9	Aceh	Sumatra	56,835.02	Banda Aceh
10	Jambi	Sumatra	49,023.04	Jambi

While Western New Guinea features massive territorial expanses split into several newer administrative provinces—such as Papua, South Papua, and West Papua—boundary adjustments and divisions across the eastern region place several Kalimantan and Sumatran heavyweights firmly in the top 10 national land area rankings.

Characteristics of the Top Regions

1. The Kalimantan Heavyweights (Borneo)

Kalimantan dominates the top tier of Indonesia’s largest administrative divisions. Central Kalimantan, West Kalimantan, and East Kalimantan take up the first, second, and third spots on this list. Characterized by wide winding rivers, peatland swamps, and expansive equatorial rainforests, these provinces make up the bulk of Indonesia’s footprint on Borneo.

2. Sumatra’s Territorial Anchors

Sumatra features several massive provinces that combine rich agricultural plains with extensive coastal river networks. Riau, South Sumatra, and North Sumatra lead the island’s territorial size, serving as crucial economic engines for trade, agriculture, and natural resources.

3. Sulawesi’s Rugged Peninsula Leader

Central Sulawesi rounds out the upper tier. Shaped by dramatic mountain ranges, deep valleys, and indented coastline gulfs, it is the largest province on the orchid-shaped island of Sulawesi.

Indonesia’s Top 10 Largest Provinces, 2026

Source: BPS-Statistics Indonesia
bps.go.id/en /statistics-table/3 /VUZwV01tSlpPVl psWlRKbmMxcFhh SGhEVjFoUFFUM DkjMyMwMDAw /total-area- and-number- of-islands- by-province. html?year=2025

Indonesia’s Provinces: From Largest to Smallest by Land Area ProvinceArea (Km2)Indonesia1,890,179.78Kalimantan Tengah153,430.36Kalimantan Barat147,018.06Kalimantan Timur126,951.76Papua Selatan117,858.97Riau89,900.78Sumatera Selatan86,771.92Papua81,383.32Sumatera Utara72,437.76Kalimantan Utara69,900.89Sulawesi Tengah61,496.98Papua Tengah61,079.59Papua Barat60,308.59Aceh56,835.02Papua Pegunungan52,508.66Jambi49,023.04Jawa Timur48,055.88Nusa Tenggara Timur46,378.11Maluku46,133.83Sulawesi Selatan45,323.98Sumatera Barat42,107.67Papua Barat Daya139,103.06Kalimantan…
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