Did You Know Indonesia Is Located on Two Continents?

Indonesia at a Glance

Before exploring Indonesia’s unusual geography, here are a few numbers that show just how remarkable this archipelagic country is.

Indonesia had a population of 285,721,236 in 2025, according to the World Bank (World Bank, 2026). Indonesia currently has 38 provinces, according to BPS-Statistics Indonesia (BPS-Statistics Indonesia, 2025). Indonesia’s Geospatial Information Agency identified 17,380 islands in its 2025 national map edition (Geospatial Information Agency of Indonesia, 2025).

Why Is Indonesia Considered Part of Two Continents?

Indonesia is primarily a Southeast Asian country, but its eastern territory extends across the island of New Guinea. This gives Indonesia a geographical connection with the region commonly associated with Oceania and Melanesia.

The country’s location between the Indian and Pacific Oceans also gives Indonesia an important geographical position between Asia and Australia.

The Indonesian portion of New Guinea is particularly interesting. Rather than being a single province today, this area includes Papua, Papua Barat, Papua Selatan, Papua Tengah, Papua Pegunungan, and Papua Barat Daya.

Therefore, if you’ve ever wondered “Is Indonesia in Asia or Oceania?”, the safest answer is that Indonesia is generally considered a Southeast Asian country, while its eastern territories have strong geographical and cultural connections with Oceania and Melanesia.

Where Is Indonesia?

Indonesia lies between the Indian and Pacific Oceans, along the equator and between mainland Southeast Asia and Australia.

Its enormous archipelago stretches across a huge area, connecting mainland Asia with the Pacific region. This strategic location has also contributed to Indonesia’s extraordinary cultural diversity and its importance as a major country in Southeast Asia.

For travelers, this geography means that Indonesia travel can offer dramatically different experiences from one island to another.

The Area of Indonesia

With an area of around 1.9 million square kilometers, Indonesia is the largest country in Southeast Asia by area. Its enormous archipelago stretches thousands of kilometers across the equator, making Indonesia geography particularly fascinating.

Indonesia’s national mapping authority identified 17,380 islands in its 2025 edition of the national map (Geospatial Information Agency of Indonesia, 2025).

The country’s major islands include Sumatra, Java, Kalimantan, Sulawesi, and Papua, while popular destinations such as Bali and Lombok attract travelers from around the world.

This vast geography is one reason traveling to Indonesia can feel completely different from one destination to another. You can explore volcanic landscapes in Java, tropical beaches in Bali, rainforests in Sumatra, and spectacular marine environments in eastern Indonesia.

Indonesia’s Population and Diversity

Indonesia is not only geographically huge, but also home to a massive and diverse population. The World Bank recorded Indonesia’s population at 285.7 million people in 2025, making it one of the world’s most populous countries (World Bank, 2026).

Indonesia’s population is distributed very unevenly across the archipelago. West Java had about 50.3 million people in 2024, making it the country’s most populous province in BPS-Statistics Indonesia’s provincial comparison. East Java had about 41.8 million, while Central Java had about 37.9 million (BPS-Statistics Indonesia, 2025).

This contrast becomes even more interesting when you look toward eastern Indonesia. Several provinces there have populations of fewer than two million, showing just how different Indonesia’s regions can be.

For travelers, this diversity is part of the attraction. Indeed, Indonesia isn’t one uniform destination, but a collection of regions with different landscapes, traditions, cuisines, languages, and cultures.

Indonesia Shares a Border With Papua New Guinea

Indonesia shares a land border with Papua New Guinea on the island of New Guinea. The border runs through the eastern part of Indonesia, making it one of the country’s most unusual geographical features. The island itself is divided between Indonesia in the west and Papua New Guinea in the east.

For travelers interested in Indonesia geography, this is an especially fascinating example of how international borders can divide a single island.

Indonesia also shares land borders with Malaysia and Timor-Leste, adding to its unique position in Southeast Asia.

What’s Also There in the Archipelagic Country?

Indonesia is much more than its impressive size and geographical position. The country is known for its incredible diversity of people, cultures, languages, religions, islands, and landscapes. Indonesia has around 300 ethnic groups, each contributing its own traditions, languages, food, and cultural practices (Indonesia Travel, 2026).

Bahasa Indonesia is the country’s national and official language, while many Indonesians also speak local languages and dialects. Javanese and Sundanese are among the most widely spoken regional languages (Indonesia Travel, 2026).

The country is also religiously diverse, although the majority of Indonesians are Muslim. Indonesia has the world’s largest Muslim population, with around 239 million Muslims estimated in 2020 (Pew Research Center, 2025).

Indonesia is also famous for its volcanoes. Its location along the Pacific Ring of Fire has helped create the dramatic volcanic landscapes found across many of the country’s islands.

Indonesia by the Numbers

Here are some more interesting statistics that show the scale and diversity of Indonesia:

• 285.7 million people: Indonesia’s population in 2025 (World Bank, 2026).
• 38 provinces: Indonesia’s current administrative structure (BPS-Statistics Indonesia, 2025).
• 17,380 islands: Islands identified in Indonesia’s 2025 national map (Geospatial Information Agency of Indonesia, 2025).
• Around 300 ethnic groups: A reflection of Indonesia’s remarkable cultural diversity (Indonesia Travel, 2026).
• Hundreds of local languages: Bahasa Indonesia is the national language, alongside many regional languages and dialects (Indonesia Travel, 2026).
• About 239 million Muslims: Indonesia had the world’s largest Muslim population in 2020 (Pew Research Center, 2025).

These figures help explain why Indonesia travel can offer such a wide variety of experiences within one country.

Indonesia’s Most Populous Provinces

Indonesia’s population is heavily concentrated on Java, one of the country’s major islands.

According to BPS-Statistics Indonesia’s 2024 provincial population projections, the three most populous provinces were:

(BPS-Statistics Indonesia, 2025).

This concentration helps explain why Java is such an important part of Indonesia travel, with major cities, historic sites, volcanoes, cultural attractions, and transport connections spread across the island.

Best Places to Visit in Indonesia

If you’re planning an Indonesia trip, these destinations are excellent starting points:

• Bali: Famous for temples, beaches, rice terraces, and Hindu culture. The destination is also ideal for a wedding or a honeymoon.
• Yogyakarta: A cultural hub and gateway to Borobudur and Prambanan.
• Komodo National Park: Home to Komodo dragons and spectacular island scenery.
• Lombok: Known for beaches, waterfalls, and Mount Rinjani.
• Kete Kesu Village: One of the most interesting Asian villages to visit.
• Java: Offers volcanoes, cultural attractions, historic cities, and diverse landscapes.
• Sumatra: A great destination for rainforests, wildlife, and adventurous travel.
• Kampung Pelangi: The “Rainbow Village” – one of the most colorful cities in the world.
• Raja Ampat: Famous for spectacular islands, coral reefs, and marine biodiversity.
• Sumba Island: One of the amazing destinations in Asia, especially for sea and nature lovers.

These destinations only scratch the surface of what you can discover when visiting Indonesia.

Is Indonesia Worth Visiting?

So, are you interested in traveling to Indonesia?

Absolutely! From its unique geographical position and thousands of islands to its incredible cultural diversity, Indonesia offers far more than most travelers expect. You can explore Bali’s temples and beaches, discover ancient sites around Java, see Komodo dragons in their natural environment, hike volcanoes, dive among colorful coral reefs, or experience the cultures of remote communities.

For travelers looking for Southeast Asia travel destinations, Indonesia offers an almost endless variety of experiences. If you’re still unsure whether it’s the right destination for you, this guide on Is Indonesia Worth Visiting? breaks down everything you need to know before planning your trip.

Reference

• Badan Pusat Statistik (BPS-Statistics Indonesia) (2025) Statistical Yearbook of Indonesia 2025. Jakarta: BPS-Statistics Indonesia. Available at: BPS-Statistics Indonesia.
• Badan Pusat Statistik (BPS-Statistics Indonesia) (2025) Population by Province in Indonesia, 2024. Jakarta: BPS-Statistics Indonesia. Available at: BPS provincial population statistics.
• Geospatial Information Agency of Indonesia (2025) Release of the 2025 NKRI Map Edition. Available at: Geospatial Information Agency of Indonesia.
• Indonesia Travel (2026) People & Culture. Ministry of Tourism and Creative Economy, Republic of Indonesia. Available at: Indonesia Travel: People & Culture.
• Indonesia Travel (2026) Language. Ministry of Tourism and Creative Economy, Republic of Indonesia. Available at: Indonesia Travel: Language.
• Pew Research Center (2025) Countries with the most Muslims and global Muslim population change, 2010–2020. Available at: Pew Research Center.
• WorldAtlas, updated Feb 2021, [online] https://www.worldatlas.com/maps/indonesia.
• World Bank (2026) World Development Indicators: Population, total – Indonesia. Available at: World Bank: Indonesia population data.