# Chai Wan Subdistrict, Chai Wan, Udon Thani Province – Villages > Source: https://wherepedia.org/thailand/udon-thani/chai-wan/chai-wan/ Subdistrict · Chai Wan # Chai Wan Chai Wan is a subdistrict (tambon) of Thailand in Chai Wan, Udon Thani Province. It covers **72.7 km²**. 9 named villages and localities are recorded here, and 34 mapped services such as hospitals, banks and schools. - 72.7km² - 34mapped services - 185 mtypical elevation ## Where is Chai Wan? Chai Wan lies in [Chai Wan](https://wherepedia.org/thailand/udon-thani/chai-wan/), [Udon Thani Province](https://wherepedia.org/thailand/udon-thani/), [Thailand](https://wherepedia.org/thailand/). It borders 7 other subdistricts: [Ban Chiang](https://wherepedia.org/thailand/udon-thani/nong-han/ban-chiang/), [Bong Nuea](https://wherepedia.org/thailand/sakon-nakhon/sawang-daen-din/bong-nuea/), [Kham Lo](https://wherepedia.org/thailand/udon-thani/chai-wan/kham-lo/), [Nong Lak](https://wherepedia.org/thailand/udon-thani/chai-wan/nong-lak/), [Nong Mek](https://wherepedia.org/thailand/udon-thani/nong-han/nong-mek/), [Nong Sa Pla](https://wherepedia.org/thailand/udon-thani/nong-han/nong-sa-pla/) and [Phon Sung](https://wherepedia.org/thailand/udon-thani/chai-wan/phon-sung/). By area it is the 2097th largest of 7,425 subdistricts in Thailand. It covers 21.2% of [Chai Wan](https://wherepedia.org/thailand/udon-thani/chai-wan/). The centre of Chai Wan is about 489 km in a straight line from Bangkok, the capital. It is about 1.7 km from Chaiwan, the main town of Chai Wan. The centre point is at 17.2790° N, 103.2326° E. Local names: ไชยวาน . 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 Chai Wan Open gazetteers list **9 villages, towns and localities** in Chai Wan. The largest with a recorded population: Ban Nong Wua So (21,722). Settlements here lie between about 181 m and 207 m above sea level (median 185 m). - Ban Chai Wan - Ban Kham Yang - Ban Nong Ruea - Ban Nong Saeng - Ban Nong Tum - Ban Nong Waeng - Ban Nong Wua So - Ban Phia Pu - Chaiwan 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 Chai Wan Named natural and historic features inside Chai Wan, from the GeoNames gazetteer. ### Water 1 reservoir or tank; 1 river or stream. - Ang Kep Nam Ban Chaiwan - Huai I He 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 Chai Wan and the best time to visit Using the climate of Chai Wan, the warmest month is Apr (average 31 °C) and the coolest is Dec (21 °C). About 1,434 mm of rain falls in a year; the wettest month is Aug (287 mm) and the driest Dec (5 mm). The most comfortable months for a visit are **October to February**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 22 7 Feb 26 18 Mar 29 44 Apr 31 80 May 29 191 Jun 27 197 Jul 27 245 Aug 26 287 Sep 26 244 Oct 25 100 Nov 23 17 Dec 21 5 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Chai Wan Need Nearest mapped Distance Hospital Chaiwan Hospital · Chai Wan 1.9 km [Map](https://www.openstreetmap.org/?mlat=17.29563&mlon=103.23120#map=17/17.29563/103.23120) Bank ธ.ก.ส. อำเภอไชยวาน · Chai Wan 2.0 km [Map](https://www.openstreetmap.org/?mlat=17.29662&mlon=103.23268#map=17/17.29662/103.23268) ATM Atm ธนาคารกรุงไทย · Sawang Daen Din 30 km [Map](https://www.openstreetmap.org/?mlat=17.47015&mlon=103.43720#map=17/17.47015/103.43720) Petrol pump Fuel Station · Chai Wan 1.5 km [Map](https://www.openstreetmap.org/?mlat=17.27823&mlon=103.24650#map=17/17.27823/103.24650) Hotel พรฤดี รีสอร์ท · Chai Wan 1.3 km [Map](https://www.openstreetmap.org/?mlat=17.28691&mlon=103.22358#map=17/17.28691/103.22358) Mall ร้านฟีฟ่าโมบาย · Tha Sila 15 km [Map](https://www.openstreetmap.org/?mlat=17.24632&mlon=103.36749#map=17/17.24632/103.36749) School โรงเรียนบ้านหนองแซง อ.ไชยวาน จ.อุดรธานี · Chai Wan 1.3 km [Map](https://www.openstreetmap.org/?mlat=17.28411&mlon=103.22146#map=17/17.28411/103.22146) College วิทยาลัยเทคโนโนยีสว่างแดนดิน · Kham Lo 12 km [Map](https://www.openstreetmap.org/?mlat=17.23334&mlon=103.33334#map=17/17.23334/103.33334) Police station สถานีตำรวจภูธรไชยวาน · Chai Wan 1.2 km [Map](https://www.openstreetmap.org/?mlat=17.28397&mlon=103.22230#map=17/17.28397/103.22230) 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 Chai Wan Places mapped inside Chai Wan in open map data, by type. - Hospitals3 - Banks1 - Petrol pumps3 - Hotels3 - Schools4 - Pharmacies1 - Restaurants18 - Police stations1 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 Chai Wan - Kham Lo - Nong Lak - Phon Sung ## Quick answers - Where is Chai Wan?In Chai Wan, Udon Thani Province, Thailand - What borders Chai Wan?Ban Chiang, Bong Nuea, Kham Lo, Nong Lak, Nong Mek, Nong Sa Pla and Phon Sung - How many villages are in Chai Wan?9 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Chai Wan?Settlements lie between 181 m and 207 m - How many reservoirs and tanks are in Chai Wan?1 named in GeoNames - What is the best time to visit Chai Wan?October to February - Where is the nearest hospital to Chai Wan?Chaiwan Hospital, about 1.9 km from the centre - Where is the nearest bank to Chai Wan?ธ.ก.ส. อำเภอไชยวาน, about 2.0 km from the centre - Where is the nearest ATM to Chai Wan?Atm ธนาคารกรุงไทย, about 30 km from the centre - Where is the nearest petrol pump to Chai Wan?Fuel Station, about 1.5 km from the centre - How many hospitals are in Chai Wan?3 mapped - How many banks are in Chai Wan?1 mapped - How many petrol pumps are in Chai Wan?3 mapped - What is the P-code of Chai Wan?TH410801 (OCHA common operational dataset)