About Siak
Siak is a city located in Indonesia, in the Riau region. According to the latest available data (2026), the population of Siak is approximately 477,550 residents, making it the #129 most populous city in Indonesia.
Globally, Siak ranks #3,908 among the world's most populated cities.
Siak City Statistics
| City | Siak |
| Country |  Indonesia |
| Population | 477,550 |
| Global Rank | #3,908 |
| Rank in Indonesia | #129 of 595 cities |
| City Category | city |
| Region | Riau |
| Latitude | 0.9744 |
| Longitude | 102.0133 |
| Data Year | 2026 |
Where is Siak Located?
Siak is located in Indonesia, in the Riau region, at coordinates 0.9744° latitude and 102.0133° longitude. Located near the equator, Siak experiences a tropical climate with warm temperatures throughout the year.
Nearby Cities
Other Cities in Indonesia
Largest Cities in Indonesia
| # | City | Population |
|---|---|---|
| 3 | Surabaya | 3,009,286 |
| 4 | East Jakarta | 2,871,660 |
| 6 | Kota Bandung | 2,544,073 |
| 7 | West Jakarta | 2,529,126 |
| 9 | Karawang | 2,267,233 |
Frequently Asked Questions
What is the population of Siak?
The population of Siak is approximately 477,550 residents according to the latest available data (2026).
Where is Siak located?
Siak is located in Indonesia at approximately 0.9744° latitude and 102.0133° longitude.
Is Siak one of the largest cities in Indonesia?
With a population of 477,550, Siak is one of the notable urban areas in Indonesia. It ranks #129 out of 595 cities in the country.
