# Koei Chai Subdistrict, Chum Saeng, Nakhon Sawan Province > Source: https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/koei-chai/ Subdistrict · Chum Saeng # Koei Chai Koei Chai is a subdistrict (tambon) of Thailand in Chum Saeng, Nakhon Sawan Province. It covers **31.2 km²**. 11 named villages and localities are recorded here, and 30 mapped services such as hospitals, banks and schools. - 31.2km² - 30mapped services - 30 mtypical elevation ## Where is Koei Chai? Koei Chai lies in [Chum Saeng](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/), [Nakhon Sawan Province](https://wherepedia.org/thailand/nakhon-sawan/), [Thailand](https://wherepedia.org/thailand/). It borders 8 other subdistricts: [Bang Khian](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/bang-khian/), [Chum Saeng](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/chum-saeng/), [Khok Mo](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/khok-mo/), [Nong Krachao](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/nong-krachao/), [Phai Sing](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/phai-sing/), [Phan Lan](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/phan-lan/), [Phikun](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/phikun/) and [Tha Mai](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/tha-mai/). By area it is the 4932nd largest of 7,425 subdistricts in Thailand. It covers 5.6% of [Chum Saeng](https://wherepedia.org/thailand/nakhon-sawan/chum-saeng/). The centre of Koei Chai is about 236 km in a straight line from Bangkok, the capital. It is about 3.7 km from Chumsaeng, the main town of Chum Saeng. The centre point is at 15.8694° N, 100.2826° E. Local names: เกยไชย . 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 Koei Chai Open gazetteers list **11 villages, towns and localities** in Koei Chai. Settlements here lie between about 28 m and 36 m above sea level (median 30 m). - Ban Khlong Ngio - Ban Koei Chai Nuea - Ban Koei Chai Tai - Ban Lat Plang - Ban Nong Khang - Ban Nong Ngu - Ban Nong To - Ban Pak Khong - Ban Phai Lom - Ban Tha Na - Ban Wang Takon 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 Koei Chai Named natural and historic features inside Koei Chai, from the GeoNames gazetteer. ### Water 1 river or stream. - Mae Nam Yom 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 Koei Chai and the best time to visit Using the climate of Chum Saeng, the warmest month is Apr (average 33 °C) and the coolest is Dec (25 °C). About 1,245 mm of rain falls in a year; the wettest month is Sep (253 mm) and the driest Dec (8 mm). The most comfortable months for a visit are **November to January**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 26 9 Feb 29 12 Mar 31 36 Apr 33 62 May 30 161 Jun 29 159 Jul 28 176 Aug 28 193 Sep 27 253 Oct 27 151 Nov 26 23 Dec 25 8 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Koei Chai Need Nearest mapped Distance Hospital สถานีอนามัยตำบลเกยไชย · Koei Chai 1.1 km [Map](https://www.openstreetmap.org/?mlat=15.87202&mlon=100.27251#map=17/15.87202/100.27251) Bank ธกส สาขาชุมแสง · Chum Saeng 3.2 km [Map](https://www.openstreetmap.org/?mlat=15.88905&mlon=100.30379#map=17/15.88905/100.30379) ATM ATM ธนาคารออมสิน · Tha Sao 16 km [Map](https://www.openstreetmap.org/?mlat=16.00030&mlon=100.22154#map=17/16.00030/100.22154) Petrol pump ปั๊ม Pttชุมแสง · Chum Saeng 2.7 km [Map](https://www.openstreetmap.org/?mlat=15.88811&mlon=100.29906#map=17/15.88811/100.29906) Hotel บ้านสวนตาลรีสอร์ท ชุมแสง นครสวรรค์ · Koei Chai 1.1 km [Map](https://www.openstreetmap.org/?mlat=15.87281&mlon=100.27313#map=17/15.87281/100.27313) Mall ร้าน แสงประทีป · Koei Chai 2.7 km [Map](https://www.openstreetmap.org/?mlat=15.88855&mlon=100.29812#map=17/15.88855/100.29812) School Wat Tha Na School · Koei Chai 0.6 km [Map](https://www.openstreetmap.org/?mlat=15.87397&mlon=100.27967#map=17/15.87397/100.27967) College การศึกษานอกระบบและการศึกษาตามอัธยาศัย อำเภอชุมแสง · Chum Saeng 2.9 km [Map](https://www.openstreetmap.org/?mlat=15.88877&mlon=100.30099#map=17/15.88877/100.30099) Police station สภอ.ชุมแสง · Koei Chai 2.5 km [Map](https://www.openstreetmap.org/?mlat=15.88051&mlon=100.30243#map=17/15.88051/100.30243) 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 Koei Chai Places mapped inside Koei Chai in open map data, by type. - Hospitals4 - Hotels4 - Shopping malls1 - Schools3 - Restaurants15 - Police stations2 - Dental clinics1 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 Chum Saeng - Bang Khian - Chum Saeng - Kha Mang - Khok Mo - Nong Krachao - Phai Sing - Phan Lan - Phikun - Tha Mai - Thap Krit - Thap Krit Tai ## Quick answers - Where is Koei Chai?In Chum Saeng, Nakhon Sawan Province, Thailand - What borders Koei Chai?Bang Khian, Chum Saeng, Khok Mo, Nong Krachao, Phai Sing, Phan Lan, Phikun and Tha Mai - How many villages are in Koei Chai?11 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Koei Chai?Settlements lie between 28 m and 36 m - What is the best time to visit Koei Chai?November to January - Where is the nearest hospital to Koei Chai?สถานีอนามัยตำบลเกยไชย, about 1.1 km from the centre - Where is the nearest bank to Koei Chai?ธกส สาขาชุมแสง , about 3.2 km from the centre - Where is the nearest ATM to Koei Chai?ATM ธนาคารออมสิน, about 16 km from the centre - Where is the nearest petrol pump to Koei Chai?ปั๊ม Pttชุมแสง, about 2.7 km from the centre - How many hospitals are in Koei Chai?4 mapped - What is the P-code of Koei Chai?TH600304 (OCHA common operational dataset)