# Chom Si Subdistrict, Phen, Udon Thani Province – Villages > Source: https://wherepedia.org/thailand/udon-thani/phen/chom-si/ Subdistrict · Phen # Chom Si Chom Si is a subdistrict (tambon) of Thailand in Phen, Udon Thani Province. It covers **117.2 km²**. 17 named villages and localities are recorded here, and 8 mapped services such as hospitals, banks and schools. - 117km² - 8mapped services - 174 mtypical elevation ## Where is Chom Si? Chom Si lies in [Phen](https://wherepedia.org/thailand/udon-thani/phen/), [Udon Thani Province](https://wherepedia.org/thailand/udon-thani/), [Thailand](https://wherepedia.org/thailand/). It borders 8 other subdistricts: [Ban Khok](https://wherepedia.org/thailand/udon-thani/sang-khom/ban-khok/), [Ban That](https://wherepedia.org/thailand/udon-thani/phen/ban-that/), [Hat Kham](https://wherepedia.org/thailand/nong-khai/mueang-nong-khai/hat-kham/), [Khai Bok Wan](https://wherepedia.org/thailand/nong-khai/mueang-nong-khai/khai-bok-wan/), [Khok Klang](https://wherepedia.org/thailand/udon-thani/phen/khok-klang/), [Lao Tang Kham](https://wherepedia.org/thailand/nong-khai/phon-phisai/lao-tang-kham/), [Thung Luang](https://wherepedia.org/thailand/nong-khai/phon-phisai/thung-luang/) and [Wat That](https://wherepedia.org/thailand/nong-khai/mueang-nong-khai/wat-that/). By area it is the 988th largest of 7,425 subdistricts in Thailand. It covers 12.9% of [Phen](https://wherepedia.org/thailand/udon-thani/phen/). The centre of Chom Si is about 521 km in a straight line from Bangkok, the capital. It is about 15 km from Phen, the main town of Phen. The centre point is at 17.8354° N, 102.9008° E. Local names: จอมศรี . 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 Chom Si Open gazetteers list **17 villages, towns and localities** in Chom Si. Settlements here lie between about 165 m and 188 m above sea level (median 174 m). - Ban Chom Si - Ban Chom Tan - Ban Dong Yang - Ban Dong Yang Phatthana - Ban Kha - Ban Na Phang - Ban Narai - Ban Narai Thung Sawang - Ban Non Du - Ban Non Saeng Chan - Ban Non Si Samran - Ban Non Si Sombun - Ban Non Thong - Ban Nong Bo - Ban Sa-at - Ban Si Charoen - Ban Thung Muang 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 Chom Si Named natural and historic features inside Chom Si, from the GeoNames gazetteer. ### Water 1 reservoir or tank. - Ang Kep Nam Huai Phai Rot 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 Chom Si and the best time to visit Using the climate of Phen, the warmest month is Apr (average 31 °C) and the coolest is Dec (20 °C). About 1,478 mm of rain falls in a year; the wettest month is Aug (306 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 25 18 Mar 28 44 Apr 31 74 May 29 199 Jun 28 211 Jul 27 264 Aug 26 306 Sep 26 238 Oct 25 96 Nov 23 16 Dec 20 5 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Chom Si Need Nearest mapped Distance Hospital รพ.สต.จอมศรี · Chom Si 1.3 km [Map](https://www.openstreetmap.org/?mlat=17.83348&mlon=102.88838#map=17/17.83348/102.88838) Bank ธนาคารทหารไทย · Wat That 10 km [Map](https://www.openstreetmap.org/?mlat=17.87870&mlon=102.81511#map=17/17.87870/102.81511) ATM Bangkok Bank · Nai Mueang 17 km [Map](https://www.openstreetmap.org/?mlat=17.88282&mlon=102.74922#map=17/17.88282/102.74922) Petrol pump ปั๊มน้ำมันบ้านนาน้ำชุ่ม Nanamchum gas station · Ban Khok 10 km [Map](https://www.openstreetmap.org/?mlat=17.76484&mlon=102.96142#map=17/17.76484/102.96142) Hotel DD Resort · Hat Kham 11 km [Map](https://www.openstreetmap.org/?mlat=17.91438&mlon=102.84550#map=17/17.91438/102.84550) Mall ChaiSiri Living mall · Nong Kom Ko 15 km [Map](https://www.openstreetmap.org/?mlat=17.81817&mlon=102.75710#map=17/17.81817/102.75710) School โรงเรียนบ้านจอมศรี · Chom Si 1.3 km [Map](https://www.openstreetmap.org/?mlat=17.83365&mlon=102.88905#map=17/17.83365/102.88905) College วิทยาลัยเทคโนโลยีเอเชียหนองคาย · Khai Bok Wan 13 km [Map](https://www.openstreetmap.org/?mlat=17.80104&mlon=102.78083#map=17/17.80104/102.78083) Police station สภ.เหล่าต่างคำ · Lao Tang Kham 9.1 km [Map](https://www.openstreetmap.org/?mlat=17.90225&mlon=102.95065#map=17/17.90225/102.95065) 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 Chom Si Places mapped inside Chom Si in open map data, by type. - Hospitals2 - Schools2 - Restaurants4 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 Phen - Ban Lao - Ban That - Chiang Wang - Khok Klang - Na Bua - Na Phu - Phen - Sang Paen - Sum Sao - Tao Hai ## Quick answers - Where is Chom Si?In Phen, Udon Thani Province, Thailand - What borders Chom Si?Ban Khok, Ban That, Hat Kham, Khai Bok Wan, Khok Klang, Lao Tang Kham, Thung Luang and Wat That - How many villages are in Chom Si?17 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Chom Si?Settlements lie between 165 m and 188 m - How many reservoirs and tanks are in Chom Si?1 named in GeoNames - What is the best time to visit Chom Si?October to February - Where is the nearest hospital to Chom Si?รพ.สต.จอมศรี, about 1.3 km from the centre - Where is the nearest bank to Chom Si?ธนาคารทหารไทย, about 10 km from the centre - Where is the nearest ATM to Chom Si?Bangkok Bank, about 17 km from the centre - Where is the nearest petrol pump to Chom Si?ปั๊มน้ำมันบ้านนาน้ำชุ่ม Nanamchum gas station, about 10 km from the centre - How many hospitals are in Chom Si?2 mapped - What is the P-code of Chom Si?TH411908 (OCHA common operational dataset)