# Western Province, Sri Lanka – Districts, Population & Map

> Source: https://wherepedia.org/sri-lanka/western/

Province · Sri Lanka 

# Western Province

Western Province is a province of Sri Lanka. It had an estimated **6,159,996 people** in 2023 on 3,752 km² (about 1,642 per km²). Its main town is Colombo. It is divided into 3 districts. 2,289 named villages and localities are recorded here, and 9,352 mapped services such as hospitals, banks and schools.

- 6,159,996people (2023)
- 3,752km²
- 3districts
- 9,352mapped services

## How many people live in Western Province?

Western Province had an estimated **6,159,996 people** in 2023 — 28.0% of Sri Lanka, the most populous of 9 provinces. The 2012 census counted 5,851,130, so the population has changed by +5.3% since. There are 1,054 women for every 1,000 men (below the Sri Lanka figure of 1,065). Spread over 3,752 km², that is about **1,642 people per km²**, the most densely populated of 9 provinces.

22.7% of people are children under 15 and 8.7% are 65 or older; the median age is about 32 years (it is 31 across Sri Lanka). For every 100 people of working age (15–64) there are 46 children and older people.

0–4 ****465,411**

5–9 ****480,017**

10–14 ****451,660**

15–19 ****468,184**

20–24 ****485,263**

25–29 ****484,099**

30–34 ****517,069**

35–39 ****450,851**

40–44 ****436,124**

45–49 ****397,148**

50–54 ****372,581**

55–59 ****324,855**

60–64 ****289,345**

65–69 ****212,257**

70–74 ****135,885**

75–79 ****93,499**

80+ ****95,748**

Source: [Department of Census and Statistics, Sri Lanka via OCHA HDX, population estimates 2023 (COD-PS, CC BY-IGO)](https://data.humdata.org/dataset/cod-ps-lka).

## Where is Western Province?

Western Province lies in [Sri Lanka](https://wherepedia.org/sri-lanka/). It borders 3 other provinces: [North Western Province](https://wherepedia.org/sri-lanka/north-western/), [Sabaragamuwa Province](https://wherepedia.org/sri-lanka/sabaragamuwa/) and [Southern Province](https://wherepedia.org/sri-lanka/southern/). By area it is the smallest of 9 provinces in Sri Lanka. It covers 5.7% of [Sri Lanka](https://wherepedia.org/sri-lanka/). The centre of Western Province is about 24 km in a straight line from Colombo, the commercial capital. The centre point is at 6.8276° N, 80.0330° E. Local names: බස්නාහිර පළාත · மேல் மாகாணம் .

Source: [Survey Department of Sri Lanka via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-lka).

## Districts of Western Province

District People per km² Area km² DS divisions Services 

[Colombo District](https://wherepedia.org/sri-lanka/western/colombo/) 2,459,998 3,575 688 13 5,425 

[Gampaha District](https://wherepedia.org/sri-lanka/western/gampaha/) 2,421,000 1,709 1,416 13 2,807 

[Kalutara District](https://wherepedia.org/sri-lanka/western/kalutara/) 1,278,998 777 1,647 14 1,120 

Source: [Survey Department of Sri Lanka via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-lka); [Department of Census and Statistics, Sri Lanka via OCHA HDX, population estimates 2023 (COD-PS, CC BY-IGO)](https://data.humdata.org/dataset/cod-ps-lka).

## Largest towns in Western Province

- Colombo648,034
- Dehiwala-Mount Lavinia219,827
- Maharagama195,355
- Moratuwa168,280
- Negombo137,223
- Pita Kotte118,179
- Sri Jayewardenepura Kotte115,826
- Katunayaka84,643
- Battaramulla South75,633
- Kolonnawa64,887
- Kotikawatta64,565
- Hendala56,978
- Welisara41,306
- Kalutara37,081
- Homagama34,664

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/).

Populations as recorded in GeoNames, which may be older than the estimates above.

## Landscape and landmarks of Western Province

Named natural and historic features inside Western Province, from the GeoNames gazetteer.

### Water

108 rivers and streams; 16 reservoirs and tanks; 6 lakes.

- Algan Oya
- Alige Oya
- Alut Ela
- Aluthgama Wewa
- Ambegoda Ela
- Amundara Ela
- Amusaiya Ela
- Angamuwa Ela
- Arukwatta Oya
- Attanagalu Oya
- Attanagalu Oya
- Basnagoda Oya
- Beira Lake
- Beragan Ela
- Bolgoda Ganga
- Bolgoda Lake
- Boralasgamu Wewa
- Botale Ela
- Delkandure Ela
- Dematagoda Ela
- Depa Ela
- Dewul Dola
- Diyaella Oya
- Diyawanna Lake

…and 106 more.

### Coast and islands

7 islands; 6 headlands; 1 beach.

- Barberyn Island
- Battenburg Point (historical)
- Bebiliduwa
- Beruwala Point
- Crow Island
- Galbokka Point
- Kokduwa
- Kosduwa
- Maduruduwa
- Maggona Point
- Medaduwa
- Mt Lavinia Beach
- Mutwal Point
- Negombo Point

### Hills and mountains

93 hills; 13 mountains.

- Haycock · 647 m
- Titelakota · 611 m
- Dotalan Kanda · 421 m
- Kalugala Kanda · 408 m
- Labugamkanda · 360 m
- Auwegala Kanda · 322 m
- Tikpolahena · 319 m
- Panyagala · 309 m
- Rusigala · 306 m
- Runakanda · 294 m
- Palukgala · 291 m
- Elawalikanda · 255 m
- Katukitulana · 243 m
- Hunumulla · 233 m
- Kalupahana · 231 m
- Nambapanakanda · 221 m
- Tunkadulla Kanda · 208 m
- Isserakanda · 197 m
- Pahingala · 197 m
- Siriwardenekanda · 197 m
- Ratugonakanda · 183 m
- Pohorabawakanda · 171 m
- Ambagahakanda · 169 m
- Walbotale · 169 m

…and 82 more.

### Forests and nature

4 forest reserves; 1 forest; 1 park.

- Ingiriya Forest Reserve
- Kanampella Forest Reserve
- Mitirigala Forest Reserve
- Price Park
- Wilekulakanda Government Forest
- Yagirala Forest Reserve

### History

1 palace.

- Temple Trees

### Estates

479 estates; 283 rubber estates; 171 estates; 54 oil-palm estates; 11 tea estates.

- Abayawatta
- Ablette
- Aboyne
- Agalagedara
- Agratenna
- Ahalugamawatta
- Akbari
- Akkara Anuata Watta
- Akkara Dolaha Watta
- Akkara Hetahaya
- Akkara Wissa
- Akkara Wissa
- Akkarapanaha
- Akuressa
- Alapalawilawatta
- Alavi
- Alawatta
- Alexandra
- Aligakagodella
- Aliwelapalla
- Allershaw
- Alubogahalanda
- Alugolla
- Alupotta

…and 974 more.

### Getting around

14 railway stations; 4 lighthouses; 3 airports; 2 railway halts; 1 harbour.

- Aluthgama railway station
- Bandaranaike International Airport
- Barberyn Lighthouse
- Baseline Road
- Colombo Galbokka Lighthouse
- Colombo Lighthouse (historical)
- Colombo Pilot Station Lighthouse
- Cotta Road
- Fort Station
- Kalutara South
- Katukurunda Airport
- Kelaniya
- Kethawala Railway Station
- Kottawa
- Kurana
- Pallewela Railway Station
- Pannipitiya
- Ratmalana
- Ratmalana Airport
- Seeduwa Road
- Trawler Harbor
- Veyangoda Railway Station
- Wadduwa
- Yagoda

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/).

Places of worship are not listed. Elevations are from the GeoNames terrain model and are approximate.

## Weather in Western Province and the best time to visit

In Western Province, the warmest month is Apr (average 28 °C) and the coolest is Jan (25 °C). About 1,999 mm of rain falls in a year; the wettest month is Nov (304 mm) and the driest Feb (71 mm). The most comfortable months for a visit are **January to March and July to August**.

- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec

Month Average °C Rain mm 

Jan 25 76 

Feb 26 71 

Mar 27 115 

Apr 28 226 

May 27 224 

Jun 27 143 

Jul 26 99 

Aug 26 113 

Sep 26 162 

Oct 26 292 

Nov 26 304 

Dec 26 175 

Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/).

## Hospitals, banks and other services in Western Province

Places mapped inside Western Province in open map data, by type.

- Hospitals466
- Banks1,005
- ATMs148
- Petrol pumps257
- Hotels2,027
- Shopping malls115
- Schools1,258
- Colleges and universities607
- Cinemas111
- Pharmacies264
- Restaurants2,859
- Police stations160
- Dental clinics75

Source: [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

Coverage depends on what has been mapped; contact details are not shown.

## Quick answers

- Where is Western Province?In Sri Lanka
- What is the population of Western Province?6,159,996 (2023 estimate)
- What is the median age in Western Province?About 32 years (2023 estimate)
- What is the population density of Western Province?About 1,642 people per km²
- What borders Western Province?North Western Province, Sabaragamuwa Province and Southern Province
- What is the largest town in Western Province?Colombo
- How many reservoirs and tanks are in Western Province?16 named in GeoNames
- What is the highest point in Western Province?Haycock (647 m, GeoNames elevation model)
- What is the best time to visit Western Province?January to March and July to August
- How many hospitals are in Western Province?466 mapped
- How many banks are in Western Province?1,005 mapped
- How many ATMs are in Western Province?148 mapped
- How many petrol pumps are in Western Province?257 mapped
- What is the P-code of Western Province?LK1 (OCHA common operational dataset)
