# Ko Chang Subdistrict, Mae Sai, Chiang Rai Province – Villages > Source: https://wherepedia.org/thailand/chiang-rai/mae-sai/ko-chang/ Subdistrict · Mae Sai # Ko Chang Ko Chang is a subdistrict (tambon) of Thailand in Mae Sai, Chiang Rai Province. It covers **47.4 km²**. 18 named villages and localities are recorded here, and 14 mapped services such as hospitals, banks and schools. - 47.4km² - 14mapped services - 380 mtypical elevation ## Where is Ko Chang? Ko Chang lies in [Mae Sai](https://wherepedia.org/thailand/chiang-rai/mae-sai/), [Chiang Rai Province](https://wherepedia.org/thailand/chiang-rai/), [Thailand](https://wherepedia.org/thailand/). It borders 3 other subdistricts: [Mae Sai](https://wherepedia.org/thailand/chiang-rai/mae-sai/mae-sai/), [Si Don Mun](https://wherepedia.org/thailand/chiang-rai/chiang-saen/si-don-mun/) and [Si Mueang Chum](https://wherepedia.org/thailand/chiang-rai/mae-sai/si-mueang-chum/). By area it is the 3569th largest of 7,425 subdistricts in Thailand. It covers 15.5% of [Mae Sai](https://wherepedia.org/thailand/chiang-rai/mae-sai/). The centre of Ko Chang is about 744 km in a straight line from Bangkok, the capital. It is about 9.4 km from Mae Sai, the main town of Mae Sai. The centre point is at 20.4217° N, 99.9654° E. Local names: เกาะช้าง . Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha). ## Villages and localities in Ko Chang Open gazetteers list **18 villages, towns and localities** in Ko Chang. Settlements here lie between about 372 m and 386 m above sea level (median 380 m). - Ban Muang Kham - Ban Mueang Daeng Noi - Ban Pa Daeng - Ban Pa Daeng Luang - Ban Pa Daeng Yon - Ban Pa Hat - Ban Pa Phiao - Ban Pang Ha - Ban Rong - Ban Rong Phra Chao - Ban San Bun Rueang - Ban San Klang - Ban San Luang - Ban San Na - Ban San Na (3) - Ban San Phayom - Ban Si Chaiyaphum - บ้านสันนา 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 Ko Chang Named natural and historic features inside Ko Chang, from the GeoNames gazetteer. ### Water 1 river or stream. - Nam Long 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 Ko Chang and the best time to visit Using the climate of Mae Sai, the warmest month is Apr (average 27 °C) and the coolest is Dec (18 °C). About 1,153 mm of rain falls in a year; the wettest month is Aug (251 mm) and the driest Feb (5 mm). The most comfortable months for a visit are **October to April**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 18 20 Feb 21 5 Mar 24 22 Apr 27 58 May 27 144 Jun 26 123 Jul 25 225 Aug 25 251 Sep 25 170 Oct 23 87 Nov 21 32 Dec 18 15 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Ko Chang Need Nearest mapped Distance Hospital โรงพยาบาลส่งเสริมสุขภาพตำบลเกาะช้าง · Ko Chang 1.8 km [Map](https://www.openstreetmap.org/?mlat=20.42129&mlon=99.98293#map=17/20.42129/99.98293) Bank เวียงแก้วซิดตี้ · Si Don Mun 7.8 km [Map](https://www.openstreetmap.org/?mlat=20.37758&mlon=100.02316#map=17/20.37758/100.02316) ATM Bangkok Bank · Mae Sai 9.1 km [Map](https://www.openstreetmap.org/?mlat=20.44308&mlon=99.88131#map=17/20.44308/99.88131) Petrol pump PT · Ko Chang 1.7 km [Map](https://www.openstreetmap.org/?mlat=20.42397&mlon=99.98147#map=17/20.42397/99.98147) Hotel บ้านหนองสี่แจ่ง ศรีเมืองชุม แม่สาย · Si Mueang Chum 2.6 km [Map](https://www.openstreetmap.org/?mlat=20.40242&mlon=99.95065#map=17/20.40242/99.95065) Mall Tesco Lotus Express สาขาเหมืองแดง · Mae Sai 7.8 km [Map](https://www.openstreetmap.org/?mlat=20.43905&mlon=99.89282#map=17/20.43905/99.89282) School โรงเรียน บ้านม่วงคำ · Ko Chang 1.5 km [Map](https://www.openstreetmap.org/?mlat=20.41873&mlon=99.97910#map=17/20.41873/99.97910) College วิทยาลัยเทคโนโลยีไทย-เอเซีย · Mae Sai 5.6 km [Map](https://www.openstreetmap.org/?mlat=20.41962&mlon=99.91139#map=17/20.41962/99.91139) Police station สถานีตำรวจภูธรเกาะช้าง แม่สาย เชียงราย · Ko Chang 4.7 km [Map](https://www.openstreetmap.org/?mlat=20.38876&mlon=99.99439#map=17/20.38876/99.99439) 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 Ko Chang Places mapped inside Ko Chang in open map data, by type. - Hospitals1 - Petrol pumps1 - Hotels1 - Schools4 - Restaurants4 - Police stations3 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 subdistricts in Mae Sai - Ban Dai - Huai Khrai - Mae Sai - Pong Ngam - Pong Pha - Si Mueang Chum - Wiang Phang Kham ## Quick answers - Where is Ko Chang?In Mae Sai, Chiang Rai Province, Thailand - What borders Ko Chang?Mae Sai, Si Don Mun and Si Mueang Chum - How many villages are in Ko Chang?18 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Ko Chang?Settlements lie between 372 m and 386 m - What is the best time to visit Ko Chang?October to April - Where is the nearest hospital to Ko Chang?โรงพยาบาลส่งเสริมสุขภาพตำบลเกาะช้าง, about 1.8 km from the centre - Where is the nearest bank to Ko Chang?เวียงแก้วซิดตี้, about 7.8 km from the centre - Where is the nearest ATM to Ko Chang?Bangkok Bank, about 9.1 km from the centre - Where is the nearest petrol pump to Ko Chang?PT, about 1.7 km from the centre - How many hospitals are in Ko Chang?1 mapped - How many petrol pumps are in Ko Chang?1 mapped - What is the P-code of Ko Chang?TH570903 (OCHA common operational dataset)