# Seeduwa GN division, Katana DS Division, Gampaha District > Source: https://wherepedia.org/sri-lanka/western/gampaha/katana/seeduwa/ Grama Niladhari division · Katana DS Division # Seeduwa Seeduwa is a Grama Niladhari (GN) division of Sri Lanka in Katana DS Division, Gampaha District, Western Province. It covers **1.30 km²**. 1 named village or locality is recorded here, and 8 mapped services such as hospitals, banks and schools. - 1.3km² - 8mapped services - 15 mtypical elevation ## Where is Seeduwa? Seeduwa lies in [Katana DS Division](https://wherepedia.org/sri-lanka/western/gampaha/katana/), [Gampaha District](https://wherepedia.org/sri-lanka/western/gampaha/), [Western Province](https://wherepedia.org/sri-lanka/western/), [Sri Lanka](https://wherepedia.org/sri-lanka/). It borders 7 other GN divisions: [Amandoluwa](https://wherepedia.org/sri-lanka/western/gampaha/katana/amandoluwa/), [Bandarawatta East](https://wherepedia.org/sri-lanka/western/gampaha/katana/bandarawatta-east/), [Dambaduraya](https://wherepedia.org/sri-lanka/western/gampaha/katana/dambaduraya/), [Mookalangamuwa East](https://wherepedia.org/sri-lanka/western/gampaha/katana/mookalangamuwa-east/), [Raddoluwa South](https://wherepedia.org/sri-lanka/western/gampaha/katana/raddoluwa-south/), [Raddoluwa West](https://wherepedia.org/sri-lanka/western/gampaha/katana/raddoluwa-west/) and [Thempala](https://wherepedia.org/sri-lanka/western/gampaha/katana/thempala/). By area it is the 9020th largest of 14,043 GN divisions in Sri Lanka. It covers 1.2% of [Katana DS Division](https://wherepedia.org/sri-lanka/western/gampaha/katana/). The centre of Seeduwa is about 22 km in a straight line from Colombo, the commercial capital. It is about 4.2 km from Katunayaka, the main town of Katana DS Division. The centre point is at 7.1321° N, 79.8885° E. Local names: සීදුව . 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 Seeduwa Open gazetteers list **1 village, town or locality** in Seeduwa. - Seeduwa 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 Seeduwa Named natural and historic features inside Seeduwa, from the GeoNames gazetteer. ### Water 1 river or stream. - Kalu Oya 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 Seeduwa and the best time to visit Using the climate of Gampaha 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 Seeduwa Need Nearest mapped Distance Hospital Wijaya Kumaranatunga Memorial · Bandarawatta West 1.3 km [Map](https://www.openstreetmap.org/?mlat=7.12638&mlon=79.87816#map=17/7.12638/79.87816) Bank Divineguma Bank · Raddoluwa West 1.1 km [Map](https://www.openstreetmap.org/?mlat=7.13721&mlon=79.89666#map=17/7.13721/79.89666) ATM SET · Evariwatta 3.7 km [Map](https://www.openstreetmap.org/?mlat=7.16494&mlon=79.88319#map=17/7.16494/79.88319) Petrol pump Lanka IOC Filling Station · Mookalangamuwa West 1.4 km [Map](https://www.openstreetmap.org/?mlat=7.13173&mlon=79.87604#map=17/7.13173/79.87604) Hotel Sasha Transit Hotel · Seeduwa 0.1 km [Map](https://www.openstreetmap.org/?mlat=7.13261&mlon=79.88860#map=17/7.13261/79.88860) Mall NR Mortors · Katunayaka South 3.5 km [Map](https://www.openstreetmap.org/?mlat=7.15858&mlon=79.87183#map=17/7.15858/79.87183) School Chooty Chums Pre- School · Seeduwa 0.1 km [Map](https://www.openstreetmap.org/?mlat=7.13260&mlon=79.88861#map=17/7.13260/79.88861) College Metropoliton Institute of Business and Computing · Bandarawatta West 1.3 km [Map](https://www.openstreetmap.org/?mlat=7.13120&mlon=79.87693#map=17/7.13120/79.87693) Police station Police Station Seeduwa · Bandarawatta West 1.2 km [Map](https://www.openstreetmap.org/?mlat=7.12877&mlon=79.87765#map=17/7.12877/79.87765) 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 Seeduwa Places mapped inside Seeduwa in open map data, by type. - Hotels4 - Schools1 - Pharmacies1 - Restaurants2 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 Katana DS Division - Adikkandiya - Air Force Camp - Akkara 50 - Alawathupitiya - Amandoluwa - Ambalammulla - Andiambalama East - Andiambalama West - Bambukuliya - Bandarawatta East - Bandarawatta West - Dambaduraya - Dewamottawa - Ethgala - Ethgala South - Evariwatta - Ganepola - Heenatiyana East - Heenatiyana South - Heenatiyana West - Ihala Kandawala - K.C. De Silva Puraya - Kadirana - Kadirana North - Kadirana South - Kalahapitiya - Kaluwarippuwa West - Kasagahawatta - Katana East - Katana North - Katana West - Katiyala - Katunayaka North - Katunayaka South - Katuwapitiya - Kimbulapitiya Central - Kimbulapitiya North - Kimbulapitiya South - Kimbulapitiya West - Kondagammulla - Kotugoda - Kovinna - Kurana Katunayaka North - Kurana Katunayaka South - Kurana Katunayaka West - Kuswala - Lansiyawadiya - Liyanagemulla North - Liyanagemulla South - Madawala - Maha Ethgala - Mahahunupitiya East - Mahahunupitiya West - Manaveriya - Mookalangamuwa East - Mookalangamuwa West - Muruthana - Muthuwadiya - Pahala Kadirana - Pahala Kandawala - Raddolugama North - Raddolugama North A - Raddolugama South - Raddolugama South A - Raddoluwa North - Raddoluwa South - Raddoluwa West - Sellakanda - Thempala - Thimbirigaskatuwa - Thoppuwa - Udammita North - Udammita South - Udangawa - Walanagoda - Walpola - Welihena North - Welihena South ## Quick answers - Where is Seeduwa?In Katana DS Division, Gampaha District, Western Province, Sri Lanka - What borders Seeduwa?Amandoluwa, Bandarawatta East, Dambaduraya, Mookalangamuwa East, Raddoluwa South, Raddoluwa West and Thempala - How many villages are in Seeduwa?1 named settlements (GeoNames, OpenStreetMap) - What is the best time to visit Seeduwa?January to March and July to August - Where is the nearest hospital to Seeduwa?Wijaya Kumaranatunga Memorial, about 1.3 km from the centre - Where is the nearest bank to Seeduwa?Divineguma Bank, about 1.1 km from the centre - Where is the nearest ATM to Seeduwa?SET, about 3.7 km from the centre - Where is the nearest petrol pump to Seeduwa?Lanka IOC Filling Station, about 1.4 km from the centre - What is the P-code of Seeduwa?LK1206330 (OCHA common operational dataset)