# Nam Sai Subdistrict, Chaturaphak Phiman, Roi Et Province > Source: https://wherepedia.org/thailand/roi-et/chaturaphak-phiman/nam-sai/ Subdistrict · Chaturaphak Phiman # Nam Sai Nam Sai is a subdistrict (tambon) of Thailand in Chaturaphak Phiman, Roi Et Province. It covers **16.2 km²**. 8 named villages and localities are recorded here, and 3 mapped services such as hospitals, banks and schools. - 16.2km² - 3mapped services - 148 mtypical elevation ## Where is Nam Sai? Nam Sai lies in [Chaturaphak Phiman](https://wherepedia.org/thailand/roi-et/chaturaphak-phiman/), [Roi Et Province](https://wherepedia.org/thailand/roi-et/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other subdistricts: [Dong Daeng](https://wherepedia.org/thailand/roi-et/chaturaphak-phiman/dong-daeng/), [Hua Chang](https://wherepedia.org/thailand/roi-et/chaturaphak-phiman/hua-chang/), [Khaen Yai](https://wherepedia.org/thailand/roi-et/mueang-roi-et/khaen-yai/), [Khok Lam](https://wherepedia.org/thailand/roi-et/chaturaphak-phiman/khok-lam/), [Mueang Thong](https://wherepedia.org/thailand/roi-et/mueang-roi-et/mueang-thong/) and [Sa-At Sombun](https://wherepedia.org/thailand/roi-et/mueang-roi-et/sa-at-sombun/). By area it is the 6197th largest of 7,425 subdistricts in Thailand. It covers 3.4% of [Chaturaphak Phiman](https://wherepedia.org/thailand/roi-et/chaturaphak-phiman/). The centre of Nam Sai is about 409 km in a straight line from Bangkok, the capital. It is about 7.2 km from Chaturaphak Phiman, the main town of Chaturaphak Phiman. The centre point is at 15.8951° N, 103.6006° E. Local names: น้ำใส . 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 Nam Sai Open gazetteers list **8 villages, towns and localities** in Nam Sai. Settlements here lie between about 145 m and 151 m above sea level (median 148 m). - Ban Don Haen - Ban Hang Kut - Ban Khum Din - Ban Nam Sai - Ban Sawang Arom - Ban Thiam Khae - Ban Yang Khruea - Ban Yang Kreua 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 Nam Sai Named natural and historic features inside Nam Sai, from the GeoNames gazetteer. ### Water 1 river or stream. - Huai Tae 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 Nam Sai and the best time to visit Using the climate of Chaturaphak Phiman, the warmest month is Apr (average 31 °C) and the coolest is Dec (23 °C). About 1,414 mm of rain falls in a year; the wettest month is Aug (278 mm) and the driest Dec (3 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 24 7 Feb 27 14 Mar 30 44 Apr 31 75 May 29 178 Jun 28 182 Jul 27 247 Aug 26 278 Sep 26 265 Oct 25 104 Nov 24 16 Dec 23 3 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Nam Sai Need Nearest mapped Distance Hospital รพสต.น้ำใส · Nam Sai 2.8 km [Map](https://www.openstreetmap.org/?mlat=15.89161&mlon=103.62675#map=17/15.89161/103.62675) Bank ธนาคารออมสิน · Hua Chang 7.5 km [Map](https://www.openstreetmap.org/?mlat=15.84334&mlon=103.55592#map=17/15.84334/103.55592) ATM ธนาคารเพื่อการเกษตรและสหกรณ์การเกษตร สาขาจตุรพักตรพิมาน · Hua Chang 7.8 km [Map](https://www.openstreetmap.org/?mlat=15.83917&mlon=103.55649#map=17/15.83917/103.55649) Petrol pump ปตท. · Hua Chang 6.8 km [Map](https://www.openstreetmap.org/?mlat=15.84716&mlon=103.56161#map=17/15.84716/103.56161) Hotel สวนแก่นบุญ ออร์กานิคฟาร์ม & โฮมสเตย์ · Khok Lam 5.0 km [Map](https://www.openstreetmap.org/?mlat=15.89630&mlon=103.55381#map=17/15.89630/103.55381) Mall สหมิตรมอเตอร์ · Hua Chang 2.0 km [Map](https://www.openstreetmap.org/?mlat=15.88054&mlon=103.58977#map=17/15.88054/103.58977) School โรงเรียนบ้านยางเครือ · Nam Sai 2.3 km [Map](https://www.openstreetmap.org/?mlat=15.91004&mlon=103.61472#map=17/15.91004/103.61472) College โรงเรียนบ้านหนองผือโพนศรีสามัคคี · Non Tan 8.2 km [Map](https://www.openstreetmap.org/?mlat=15.96114&mlon=103.63528#map=17/15.96114/103.63528) Police station สถานีตำรวจภูมิพลพิมาน · Hua Chang 7.1 km [Map](https://www.openstreetmap.org/?mlat=15.84534&mlon=103.55849#map=17/15.84534/103.55849) 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 Nam Sai Places mapped inside Nam Sai in open map data, by type. - Hospitals1 - Schools1 - Restaurants1 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 Chaturaphak Phiman - Dong Daeng - Dong Klang - Du Noi - Hua Chang - I Ngong - Khok Lam - Lin Fa - Mueang Hong - Nong Phue - Pa Sang - Si Khot ## Quick answers - Where is Nam Sai?In Chaturaphak Phiman, Roi Et Province, Thailand - What borders Nam Sai?Dong Daeng, Hua Chang, Khaen Yai, Khok Lam, Mueang Thong and Sa-At Sombun - How many villages are in Nam Sai?8 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Nam Sai?Settlements lie between 145 m and 151 m - What is the best time to visit Nam Sai?October to February - Where is the nearest hospital to Nam Sai?รพสต.น้ำใส, about 2.8 km from the centre - Where is the nearest bank to Nam Sai?ธนาคารออมสิน, about 7.5 km from the centre - Where is the nearest ATM to Nam Sai?ธนาคารเพื่อการเกษตรและสหกรณ์การเกษตร สาขาจตุรพักตรพิมาน, about 7.8 km from the centre - Where is the nearest petrol pump to Nam Sai?ปตท., about 6.8 km from the centre - How many hospitals are in Nam Sai?1 mapped - What is the P-code of Nam Sai?TH450405 (OCHA common operational dataset)