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. Uluwatu Temple Uluwatu Temple
    02 30 min

    Uluwatu Temple

    Pura Luhur Uluwatu

    Pura Luhur Uluwatu is a Balinese Hindu sea temple perched on a steep cliff approximately seventy metres above the Indian Ocean. The temple is one of six key temples believed to be Bali's spiritual pillars.

    • Must see
    • Place of worship
    • Denpasar
  2. Tirta Empul Temple Tirta Empul Temple
    03 30 min

    Tirta Empul Temple

    Pura Tirta Empul

    Tirta Empul Temple, known locally as Pura Tirta Empul, is a Balinese Hindu water temple located near Tampaksiring in the Gianyar regency, northeast of Denpasar.

    • Must see
    • Place of worship
    • Denpasar
  3. Pura Agung Besakih Pura Agung Besakih
    04 30 min

    Pura Agung Besakih

    Pura Agung Besakih, known in English as Besakih Great Temple, stands as the largest and holiest temple complex in Bali. Perched on the southwestern slopes of Mount Agung, it serves as the spiritual centre for Balinese Hinduism.

    • Must see
    • Place of worship
    • Denpasar
  4. Ulun Danu Beratan Temple Ulun Danu Beratan Temple
    05 30 min

    Ulun Danu Beratan Temple

    Pura Ulun Danu Beratan

    Pura Ulun Danu Beratan is a significant Shaivite water temple in Bali, Indonesia. The temple complex sits on the shores of Lake Beratan in the mountains near Bedugul.

    • Must see
    • Place of worship
    • Denpasar
  5. Taman Ayun Temple Taman Ayun Temple
    06 30 min

    Taman Ayun Temple

    Pura Taman Ayun

    Taman Ayun Temple, known locally as Pura Taman Ayun, is a Balinese Hindu temple located in Mengwi, Badung Regency, approximately eighteen kilometers northwest of Denpasar.

    • Must see
    • Place of worship
    • Denpasar

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.