About Siasi
Siasi is a city located in Philippines, in the Sulu region. According to the latest available data (2026), the population of Siasi is approximately 100,076 residents, making it the #251 most populous city in Philippines.
Globally, Siasi ranks #15,621 among the world's most populated cities.
Siasi City Statistics
| City | Siasi |
| Country |  Philippines |
| Population | 100,076 |
| Global Rank | #15,621 |
| Rank in Philippines | #251 of 251 cities |
| City Category | city |
| Region | Sulu |
| Latitude | 5.5462 |
| Longitude | 120.8145 |
| Data Year | 2026 |
Where is Siasi Located?
Siasi is located in Philippines, in the Sulu region, at coordinates 5.5462° latitude and 120.8145° longitude. Located near the equator, Siasi experiences a tropical climate with warm temperatures throughout the year.
Nearby Cities
Other Cities in Philippines
Largest Cities in Philippines
| # | City | Population |
|---|---|---|
| 1 | Bulacan | 3,876,806 |
| 2 | Laguna | 3,687,345 |
| 3 | Rizal | 3,416,541 |
| 4 | Bohol | 3,400,522 |
| 5 | Quezon City | 3,084,270 |
Frequently Asked Questions
What is the population of Siasi?
The population of Siasi is approximately 100,076 residents according to the latest available data (2026).
Where is Siasi located?
Siasi is located in Philippines at approximately 5.5462° latitude and 120.8145° longitude.
Is Siasi one of the largest cities in Philippines?
With a population of 100,076, Siasi is one of the notable urban areas in Philippines. It ranks #251 out of 251 cities in the country.
