What is Lombok's geographic location?

Lombok is an island in West Nusa Tenggara province, Indonesia, located between Bali (to the west across the Lombok Strait) and Sumbawa (to the east across the Alas Strait). The island forms part of the Lesser Sunda Islands chain and covers approximately 4,566 square kilometres including offshore islands.

What is the capital city of Lombok?

Mataram is the provincial capital and largest city on Lombok island. It is located on the western coast and serves as the primary urban and administrative centre for the island's population.

How large is Lombok island?

Lombok covers a total area of 4,566.54 square kilometres including smaller offshore islands. The main island is roughly circular in shape with a southwestern extension, spanning approximately 70 kilometres across at its widest point.

What is Lombok's population?

Lombok has a population of approximately 3.3 million people, distributed across urban centres like Mataram and settlements throughout coastal and interior regions of the island.

Which timezone does Lombok use?

Lombok operates on Asia/Makassar timezone, which is UTC+8, consistent with eastern Indonesia's time standard.

Lombok Island: Indonesia's Island Destination

Lombok is an island in West Nusa Tenggara province, Indonesia, forming part of the Lesser Sunda Islands chain. Located approximately 70 kilometres across with a total area of 4,566.54 square kilometres including offshore islands, Lombok has a population of approximately 3.3 million inhabitants. The island is separated from Bali to the west by the Lombok Strait and from Sumbawa to the east by the Alas Strait. Mataram serves as the provincial capital and largest city on the island. The island's roughly circular shape with a southwestern extension offers diverse geography across its substantial landmass, supporting varied ecosystems and settlement patterns across its interior mountains and coastal regions.

Updated 2026-05-04 · Source: GeoNames, Wikipedia

Image: Wikimedia Commons contributors · CC BY-SA 4.0 via Wikipedia

Population: 3.3M
Climate: tropical
Best months: Apr–Oct

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IDR

Timezone

Asia/Makassar

Lombok Island: Indonesia's Island Destination: -8.677, 116.333Open in OpenStreetMap ↗

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Quick facts

Lombok covers 4,566.54 square kilometres including smaller offshore islands in the Lesser Sunda Islands.
The Lombok Strait separates Lombok from Bali to the west as a defined geographic boundary.
Lombok's population is approximately 3.3 million inhabitants distributed across the island.
Mataram serves as both the provincial capital and the largest city on Lombok island.
The island's roughly circular form extends approximately 70 kilometres across at its widest point.
The Alas Strait marks the eastern boundary between Lombok and Sumbawa island.
Lombok is located within West Nusa Tenggara province in eastern Indonesia.
The island's topography includes volcanic mountains, interior regions, and extensive coastal areas.
Lombok operates on Asia/Makassar timezone, consistent with eastern Indonesia's regional time standard.

Geography & Climate

Lombok's terrain encompasses mountainous interior regions and extensive coastal areas. The island's circular form with a southwestern extension spans approximately 70 kilometres across its widest point, covering 4,566.54 square kilometres including smaller offshore islands. The topography includes volcanic mountains in the interior transitioning to coastal plains and beach zones. The island's position within the Lesser Sunda Islands places it within a tropical climate zone subject to seasonal monsoon patterns typical of eastern Indonesia.

Total Area: 4,566.54 km²
Width: ~70 km
Timezone: Asia/Makassar

Population & Major Cities

Lombok supports a population of approximately 3.3 million people distributed across the island. Mataram, located on the western coast, functions as the provincial capital and the island's primary urban centre. The population density reflects both urban concentration in Mataram and smaller settlements throughout coastal and interior regions. The demographic composition includes diverse ethnic groups characteristic of West Nusa Tenggara province.

Total Population: ~3.3 million
Provincial Capital: Mataram

Location & Regional Context

Lombok occupies a strategic position within the Lesser Sunda Islands archipelago, situated between two major geographic boundaries. The Lombok Strait separates the island from Bali to the west, a water passage significant in both marine biology and regional history. The Alas Strait demarcates the eastern boundary with Sumbawa. This geographic positioning places Lombok within Indonesia's eastern region, in the Asia/Makassar timezone, and contributes to its distinctive environmental and cultural characteristics shaped by its insular isolation.

Western Boundary: Lombok Strait (Bali)
Eastern Boundary: Alas Strait (Sumbawa)
Province: West Nusa Tenggara

Island Characteristics

Lombok's morphology is distinctly recognizable by its roughly circular primary form with an extended southwestern tail, creating a recognizable silhouette among Indonesian islands. The incorporation of smaller offshore islands within the administrative area adds to the total landmass of 4,566.54 square kilometres. The island's varied topography supports both mountainous terrain and coastal zones, contributing to ecological diversity across its geography.

Shape: Circular with SW extension
Geonames ID: 7869837

Frequently asked questions

What is Lombok's geographic location?: Lombok is an island in West Nusa Tenggara province, Indonesia, located between Bali (to the west across the Lombok Strait) and Sumbawa (to the east across the Alas Strait). The island forms part of the Lesser Sunda Islands chain and covers approximately 4,566 square kilometres including offshore islands.
What is the capital city of Lombok?: Mataram is the provincial capital and largest city on Lombok island. It is located on the western coast and serves as the primary urban and administrative centre for the island's population.
How large is Lombok island?: Lombok covers a total area of 4,566.54 square kilometres including smaller offshore islands. The main island is roughly circular in shape with a southwestern extension, spanning approximately 70 kilometres across at its widest point.
What is Lombok's population?: Lombok has a population of approximately 3.3 million people, distributed across urban centres like Mataram and settlements throughout coastal and interior regions of the island.
Which timezone does Lombok use?: Lombok operates on Asia/Makassar timezone, which is UTC+8, consistent with eastern Indonesia's time standard.

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Sources & methodology

Geographic data from GeoNames (CC BY 4.0). Narrative sourced from Wikipedia (CC BY-SA 4.0) and structured by Claude. Map by © OpenStreetMap contributors (ODbL). See the methodology and sources registry for full attribution and update cadence.

This page last refreshed 2026-05-04.

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