A photograph of Indonesia

Country guide

Indonesia

Indonesia is between 13,000 and 17,000 islands spread across 1,904,569 km2, the largest archipelagic state in the world, so the question is never what to see bu...

Photograph · Thomas Fuhrmann · CC BY-SA 4.0

12,308 Places
2Cities

Reviewed by Elena Voss · Roavina Travel Editor

Indonesia is between 13,000 and 17,000 islands spread across 1,904,569 km2, the largest archipelagic state in the world, so the question is never what to see but which island to fly to. Over 280 million people live in its 38 provinces and more than half of them on Java alone, the most heavily populated island anywhere and the one carrying Jakarta, the world's most populous city. Sumatra, Sulawesi and the Indonesian portions of Borneo and New Guinea are each a separate trip, across wilderness supporting some of the highest biodiversity on earth. The gaps between them are measured in flights, not in drives.

Checked 2026-08-25

Cities

Every city catalogued in this country so far, ranked by how much there is to see.

Practical information

Language spoken
Indonesian
National practical orientation; regional and minority languages may also be used
Dialling code
+62
International calling code; local area and mobile prefixes still apply
Currency
Indonesian rupiah (IDR)
Use the official local currency; card acceptance varies by place
Emergency number
112 where available · 110 police
Use only for an emergency; tourist assistance may use a separate number
Plug type
Type C and F · 230 V
Check that chargers support the recorded voltage before using an adapter
Tap water
Not recorded
No verified nationwide visitor drinking-water statement was recorded

Top things to see

Ranked by importance — sitelinks, pageviews and heritage status, not editor preference.

  1. Agung Rai Museum of Art Agung Rai Museum of Art
    02 1 hr 30 min

    Agung Rai Museum of Art

    Museum Seni Agung Rai

    The Agung Rai Museum of Art, known locally as Museum Seni Agung Rai, is an art museum located in Ubud, within the broader Denpasar metropolitan area of Bali, Indonesia.

    • Must see
    • Museum
    • Denpasar
  2. National Museum of Indonesia National Museum of Indonesia
    03 1 hr 30 min

    National Museum of Indonesia

    Museum Nasional Indonesia

    The National Museum of Indonesia, known locally as Museum Nasional Indonesia, stands as one of Jakarta's most prominent cultural institutions. Located in Central Jakarta, it houses extensive collections representing Indonesia's archaeological, historical, ethnographic, and geographical heritage.

    • Must see
    • Museum
    • Jakarta
  3. Jakarta History Museum Jakarta History Museum
    04 1 hr 30 min

    Jakarta History Museum

    Museum Sejarah Jakarta

    The Jakarta History Museum, locally known as Museum Sejarah Jakarta, is a museum housed in the former Stadhuis of Batavia, the colonial town hall of Dutch East India Company era.

    • Must see
    • Museum
    • Jakarta
  4. Bali Museum Bali Museum
    05 1 hr 30 min

    Bali Museum

    Museum Bali

    The Bali Museum is a provincial museum located in Denpasar, the capital city of Bali, Indonesia. It stands as one of the island's oldest museums, established during the early twentieth century.

    • Must see
    • Museum
    • Denpasar
  5. Maritime Museum Maritime Museum
    06 1 hr 30 min

    Maritime Museum

    Museum Bahari

    The Maritime Museum, known locally as Museum Bahari, occupies a historic site in Jakarta's old Sunda Kelapa harbor area. The museum celebrates Indonesia's seafaring traditions and maritime heritage in a city shaped by centuries of ocean trade.

    • Must see
    • Museum
    • Jakarta

Source: OpenStreetMap contributors, Wikidata ·

Common questions

How long should a first trip to Indonesia be?

Ten to fourteen days is enough for Bali plus one nearby island or for a focused Java route, not for the whole archipelago. Every added island introduces an airport or harbour transfer, so choose regions first and count transfer days before assigning sightseeing.

What entry documents are needed for Indonesia?

Indonesia Immigration’s official eVisa service is the source for passport eligibility, visa class and stay conditions. Complete any required arrival formalities through government channels and verify the authorised entry point; a Bali-focused commercial site is not evidence of national admission rules.

What is the best way to travel around Indonesia?

Flights bridge distant islands, Java has useful rail corridors, and ferries, buses or local boats complete many regional legs. Check the licensed operator and weather before sea travel, and leave recovery time when an island connection precedes an international departure.

When is a practical time to visit Indonesia?

Dry-season timing varies across Indonesia, although much of Java and Bali is commonly easier from roughly May to September. Sumatra, Sulawesi and eastern islands can follow different rainfall patterns, so select dates for the chosen islands rather than the country name.

What money and payment basics apply in Indonesia?

Indonesia uses the rupiah, and large IDR figures make digit checking important. Keep cash for markets, drivers and smaller islands, use bank-linked machines where available, and confirm whether an accommodation or boat quote includes taxes and local charges.

What practical safety details should I save for Indonesia?

The recorded emergency contacts are 112 where available and 110 for police; electricity is Type C and F at 230 V. Tap-water safety is Not recorded, so rely on local official or accommodation guidance and verify emergency coverage on remote islands.