# Ratmalana DS Division, Colombo District – GN divisions > Source: https://wherepedia.org/sri-lanka/western/colombo/ratmalana/ Divisional Secretariat division · Colombo District # Ratmalana DS Division Ratmalana DS Division is a Divisional Secretariat (DS) division of Sri Lanka in Colombo District, Western Province. It covers **12.9 km²**. It is divided into 13 GN divisions. 10 named villages and localities are recorded here, and 252 mapped services such as hospitals, banks and schools. - 12.9km² - 13GN divisions - 252mapped services ## Where is Ratmalana DS Division? Ratmalana DS Division lies in [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 3 other DS divisions: [Dehiwala DS Division](https://wherepedia.org/sri-lanka/western/colombo/dehiwala/), [Kesbewa DS Division](https://wherepedia.org/sri-lanka/western/colombo/kesbewa/) and [Moratuwa DS Division](https://wherepedia.org/sri-lanka/western/colombo/moratuwa/). By area it is the 332nd largest of 339 DS divisions in Sri Lanka. It covers 1.9% of [Colombo District](https://wherepedia.org/sri-lanka/western/colombo/). The centre of Ratmalana DS Division is about 12 km in a straight line from Colombo, the commercial capital. The centre point is at 6.8276° N, 79.8791° E. Local names: රත්මලාන · இரத்மலானை . Source: [Survey Department of Sri Lanka via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-lka). ## GN divisions of Ratmalana DS Division Grama Niladhari division Area km² Localities Services [Attidiya North](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/attidiya-north/) 1.3 1 15 [Attidiya South](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/attidiya-south/) 1.7 1 6 [Kandawala](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/kandawala/) 2.7 2 19 [Katukurunduwatta](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/katukurunduwatta/) 1.1 1 5 [Kawdana West](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/kawdana-west/) 0.5 0 9 [Mount Lavinia](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/mount-lavinia/) 1.1 1 127 [Piriwena](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/piriwena/) 0.6 0 13 [Rathmalana East](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/rathmalana-east/) 1.0 0 7 [Rathmalana West](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/rathmalana-west/) 0.4 0 0 [Vihara](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/vihara/) 0.7 2 13 [Watarappala](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/watarappala/) 0.4 2 16 [Wathumulla](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/wathumulla/) 0.5 0 15 [Wedikanda](https://wherepedia.org/sri-lanka/western/colombo/ratmalana/wedikanda/) 0.7 0 7 Source: [Survey Department of Sri Lanka via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-lka); [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/). ## Villages and localities in Ratmalana DS Division Open gazetteers list **10 villages, towns and localities** in Ratmalana DS Division. The largest with a recorded population: Dehiwala-Mount Lavinia (219,827). Settlements here lie between about 5 m and 22 m above sea level (median 11 m). - Attidiya - Belekkade Junction - Dehiwala-Mount Lavinia - Kandawala - Kavdana - Ratmalana - Ratmalana North - Ratmalana South - Watarappola - Watumulla 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). ## Landscape and landmarks of Ratmalana DS Division Named natural and historic features inside Ratmalana DS Division, from the GeoNames gazetteer. ### Coast and islands 1 beach. - Mt Lavinia Beach ### Estates 1 estate; 1 estate. - Batmalana Group - Kandawala ### Getting around 1 airport. - Ratmalana Airport 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 Ratmalana DS Division 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/). ## Hospitals, banks and other services in Ratmalana DS Division Places mapped inside Ratmalana DS Division in open map data, by type — each number opens the full list with locations. - Hospitals5 - Banks20 - ATMs2 - Petrol pumps7 - Hotels83 - Shopping malls2 - Schools24 - Colleges and universities21 - Cinemas2 - Pharmacies7 - Restaurants73 - Police stations2 - Dental clinics4 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 Ratmalana DS Division?In Colombo District, Western Province, Sri Lanka - What borders Ratmalana DS Division?Dehiwala DS Division, Kesbewa DS Division and Moratuwa DS Division - How many villages are in Ratmalana DS Division?10 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Ratmalana DS Division?Settlements lie between 5 m and 22 m - What is the best time to visit Ratmalana DS Division?January to March and July to August - How many hospitals are in Ratmalana DS Division?5 mapped - How many banks are in Ratmalana DS Division?20 mapped - How many ATMs are in Ratmalana DS Division?2 mapped - How many petrol pumps are in Ratmalana DS Division?7 mapped - What is the P-code of Ratmalana DS Division?LK1131 (OCHA common operational dataset)