# Thunnana West GN division, Seethawaka DS Division – Villages

> Source: https://wherepedia.org/sri-lanka/western/colombo/seethawaka/thunnana-west/

Grama Niladhari division · Seethawaka DS Division 

# Thunnana West

Thunnana West is a Grama Niladhari (GN) division of Sri Lanka in Seethawaka DS Division, Colombo District, Western Province. It covers **1.95 km²**. 1 named village or locality is recorded here, and 1 mapped services such as hospitals, banks and schools.

- 1.9km²
- 1mapped services
- 21 mtypical elevation

## Where is Thunnana West?

Thunnana West lies in [Seethawaka DS Division](https://wherepedia.org/sri-lanka/western/colombo/seethawaka/), [Colombo District](https://wherepedia.org/sri-lanka/western/colombo/), [Western Province](https://wherepedia.org/sri-lanka/western/), [Sri Lanka](https://wherepedia.org/sri-lanka/). It borders 6 other GN divisions: [Koodaluvila](https://wherepedia.org/sri-lanka/western/colombo/seethawaka/koodaluvila/), [Kudakanda](https://wherepedia.org/sri-lanka/western/colombo/seethawaka/kudakanda/), [Mawathagama East](https://wherepedia.org/sri-lanka/western/colombo/seethawaka/mawathagama-east/), [Mawathagama West](https://wherepedia.org/sri-lanka/western/colombo/seethawaka/mawathagama-west/), [Panaluwa](https://wherepedia.org/sri-lanka/western/colombo/homagama/panaluwa/) and [Thunnana East](https://wherepedia.org/sri-lanka/western/colombo/seethawaka/thunnana-east/). By area it is the 7058th largest of 14,043 GN divisions in Sri Lanka. It covers 1.3% of [Seethawaka DS Division](https://wherepedia.org/sri-lanka/western/colombo/seethawaka/). The centre of Thunnana West is about 26 km in a straight line from Colombo, the commercial capital. The centre point is at 6.8805° N, 80.0789° E. Local names: තුන්නාන බටහිර .

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

## Villages and localities in Thunnana West

Open gazetteers list **1 village, town or locality** in Thunnana West.

- Thunnana West

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright).

## Weather in Thunnana West and the best time to visit

Using the climate of Colombo District, 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/).

## Nearest hospital, bank and fuel from Thunnana West

Need Nearest mapped Distance 

Hospital Meegoda Medi House · Meegoda South 4.4 km [Map](https://www.openstreetmap.org/?mlat=6.85170&mlon=80.05225#map=17/6.85170/80.05225) 

Bank Peoples Bank · Hanwella Town 2.7 km [Map](https://www.openstreetmap.org/?mlat=6.90332&mlon=80.08700#map=17/6.90332/80.08700) 

ATM Sampath Bank ATM · Habarakada Watta 7.5 km [Map](https://www.openstreetmap.org/?mlat=6.86549&mlon=80.01306#map=17/6.86549/80.01306) 

Petrol pump Lanka Viking Station Thunanna · Koodaluvila 1.2 km [Map](https://www.openstreetmap.org/?mlat=6.88636&mlon=80.08758#map=17/6.88636/80.08758) 

Hotel Kingland · Galagedara North 2.8 km [Map](https://www.openstreetmap.org/?mlat=6.85863&mlon=80.09071#map=17/6.85863/80.09071) 

Mall Heartlands City · Kurunduwatta 5.6 km [Map](https://www.openstreetmap.org/?mlat=6.84566&mlon=80.04227#map=17/6.84566/80.04227) 

School Pahathgama Roman Catholic School · Hanwella Town 2.5 km [Map](https://www.openstreetmap.org/?mlat=6.90177&mlon=80.08657#map=17/6.90177/80.08657) 

College South Asian Centre for Teacher Development · Galagedara North 2.9 km [Map](https://www.openstreetmap.org/?mlat=6.85687&mlon=80.08944#map=17/6.85687/80.08944) 

Police station Parhathgama Police Station · Hanwella Town 2.4 km [Map](https://www.openstreetmap.org/?mlat=6.90078&mlon=80.08762#map=17/6.90078/80.08762) 

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

Straight-line distance from the centre of the division, within 40 km.

## Hospitals, banks and other services in Thunnana West

Places mapped inside Thunnana West in open map data, by type.

- Restaurants1

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.

## Other GN divisions in Seethawaka DS Division

- Agra Pedesa
- Akaravita
- Aluth Ambalama
- Aradhana Kanda
- Avissawella
- Bollathawa
- Brandigampala
- Diddeniya North
- Diddeniya South
- Digana
- Egodagama
- Elamalawala
- Eswatta North
- Eswatta South
- Gira Imbula
- Hanwella Town
- Hingurala
- Ihala Hanwella North
- Ihala Hanwella South
- Ihala Kosgama North
- Ihala Kosgama South
- Ilukovita
- Jayaweeragoda
- Kadugoda North
- Kadugoda South
- Kahahena
- Kahatapitiya
- Kalu Aggala
- Kanampella East
- Kanampella West
- Kiriwandala North
- Kiriwandala South
- Koodaluvila
- Koswatta
- Kotahera
- Kudagama
- Kudakanda
- Lahirugama
- Mambula
- Manakada
- Mawalgama
- Mawathagama East
- Mawathagama West
- Miriswatta
- Muruthagama
- Neluwattuduwa
- Niripola
- Pagngnagula
- Pahala Hanwella
- Pahala Kosgama East
- Pahala Kosgama West
- Pahathgama
- Pelpola
- Puwakpitiya
- Puwakpitiya South
- Salawa
- Seethagama
- Seethawaka
- Suduwella
- Thawalgoda
- Thunnana East
- Ukwatta
- Walawwatta
- Welikanna
- Weragolla North
- Weragolla South
- Weralupitiya

## Quick answers

- Where is Thunnana West?In Seethawaka DS Division, Colombo District, Western Province, Sri Lanka
- What borders Thunnana West?Koodaluvila, Kudakanda, Mawathagama East, Mawathagama West, Panaluwa and Thunnana East
- How many villages are in Thunnana West?1 named settlements (GeoNames, OpenStreetMap)
- What is the best time to visit Thunnana West?January to March and July to August
- Where is the nearest hospital to Thunnana West?Meegoda Medi House, about 4.4 km from the centre
- Where is the nearest bank to Thunnana West?Peoples Bank, about 2.7 km from the centre
- Where is the nearest ATM to Thunnana West?Sampath Bank ATM, about 7.5 km from the centre
- Where is the nearest petrol pump to Thunnana West?Lanka Viking Station Thunanna, about 1.2 km from the centre
- What is the P-code of Thunnana West?LK1115330 (OCHA common operational dataset)