# Si Wilai Subdistrict, Selaphum, Roi Et Province – Villages > Source: https://wherepedia.org/thailand/roi-et/selaphum/si-wilai/ Subdistrict · Selaphum # Si Wilai Si Wilai is a subdistrict (tambon) of Thailand in Selaphum, Roi Et Province. It covers **40.5 km²**. 13 named villages and localities are recorded here, and 8 mapped services such as hospitals, banks and schools. - 40.5km² - 8mapped services - 151 mtypical elevation ## Where is Si Wilai? Si Wilai lies in [Selaphum](https://wherepedia.org/thailand/roi-et/selaphum/), [Roi Et Province](https://wherepedia.org/thailand/roi-et/), [Thailand](https://wherepedia.org/thailand/). It borders 7 other subdistricts: [Khok Kok Muang](https://wherepedia.org/thailand/roi-et/phon-thong/khok-kok-muang/), [Lao Noi](https://wherepedia.org/thailand/roi-et/selaphum/lao-noi/), [Pho Thong](https://wherepedia.org/thailand/roi-et/selaphum/pho-thong/), [Phon Sawan](https://wherepedia.org/thailand/roi-et/selaphum/phon-sawan/), [Phrom Sawan](https://wherepedia.org/thailand/roi-et/phon-thong/phrom-sawan/), [Phu Ngoen](https://wherepedia.org/thailand/roi-et/selaphum/phu-ngoen/) and [Wang Luang](https://wherepedia.org/thailand/roi-et/selaphum/wang-luang/). By area it is the 4095th largest of 7,425 subdistricts in Thailand. It covers 5.4% of [Selaphum](https://wherepedia.org/thailand/roi-et/selaphum/). The centre of Si Wilai is about 465 km in a straight line from Bangkok, the capital. It is about 17 km from Selaphum, the main town of Selaphum. The centre point is at 16.1379° N, 104.0530° E. Local names: ศรีวิลัย . 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 Si Wilai Open gazetteers list **13 villages, towns and localities** in Si Wilai. Settlements here lie between about 140 m and 161 m above sea level (median 151 m). - Ban Huai Samakkhi - Ban Khok Sombum - Ban Nawi - Ban Noi Samakkhi - Ban Non Nam Thaeng - Ban Nong Fai Nam - Ban Nong Pai - Ban Nong Phai - Ban Nong Wa - Ban Phon Sawang - Ban Si Siat - Ban Si Wilai - Ban Sok Toei 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 Si Wilai Named natural and historic features inside Si Wilai, from the GeoNames gazetteer. ### Water 1 river or stream. - Huai Yang 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 Si Wilai and the best time to visit Using the climate of Selaphum, 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 Si Wilai Need Nearest mapped Distance Hospital โรงพยาบาลส่งเสริมสุขภาพตำบลบ้านห้วยสามัคคี · Si Wilai 2.5 km [Map](https://www.openstreetmap.org/?mlat=16.14691&mlon=104.07481#map=17/16.14691/104.07481) Bank Krungthai Bank · Khwan Mueang 17 km [Map](https://www.openstreetmap.org/?mlat=16.02845&mlon=103.94145#map=17/16.02845/103.94145) ATM Atm ธนาคารกรุงไทย สาขาเสลภูมิ · Klang 17 km [Map](https://www.openstreetmap.org/?mlat=16.02840&mlon=103.94105#map=17/16.02840/103.94105) Petrol pump ร้านสวัสดิ์พานิชย์ · Lao Noi 4.8 km [Map](https://www.openstreetmap.org/?mlat=16.11360&mlon=104.01567#map=17/16.11360/104.01567) Hotel บ้านโคกสูงสมบูรณ์ ต.ศรีวิลัย อ.เสลภูมิ · Si Wilai 4.1 km [Map](https://www.openstreetmap.org/?mlat=16.14054&mlon=104.09099#map=17/16.14054/104.09099) Mall ห้างสรรพสินค้า · Khwan Mueang 16 km [Map](https://www.openstreetmap.org/?mlat=16.04180&mlon=103.93724#map=17/16.04180/103.93724) School See Siad School · Si Wilai 2.2 km [Map](https://www.openstreetmap.org/?mlat=16.14611&mlon=104.07209#map=17/16.14611/104.07209) College ราชภัฏกรีนวิว โรงแรมราชภัฏร้อยเอ็ดกรีนวิว · Wang Luang 11 km [Map](https://www.openstreetmap.org/?mlat=16.05555&mlon=103.99670#map=17/16.05555/103.99670) Police station สถานีตำรวจภูธรโพธิ์ทอง · Pho Thong 6.7 km [Map](https://www.openstreetmap.org/?mlat=16.12613&mlon=104.11479#map=17/16.12613/104.11479) 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 Si Wilai Places mapped inside Si Wilai in open map data, by type. - Hospitals4 - Hotels1 - Schools3 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 Selaphum - Bueng Kluea - Khwan Mueang - Khwao - Klang - Ko Kaeo - Lao Noi - Mueang Phrai - Na Loeng - Na Mueang - Na Ngam - Na Saeng - Nong Luang - Pho Thong - Phon Sawan - Phu Ngoen - Tha Muang - Wang Luang ## Quick answers - Where is Si Wilai?In Selaphum, Roi Et Province, Thailand - What borders Si Wilai?Khok Kok Muang, Lao Noi, Pho Thong, Phon Sawan, Phrom Sawan, Phu Ngoen and Wang Luang - How many villages are in Si Wilai?13 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Si Wilai?Settlements lie between 140 m and 161 m - What is the best time to visit Si Wilai?October to February - Where is the nearest hospital to Si Wilai?โรงพยาบาลส่งเสริมสุขภาพตำบลบ้านห้วยสามัคคี, about 2.5 km from the centre - Where is the nearest bank to Si Wilai?Krungthai Bank, about 17 km from the centre - Where is the nearest ATM to Si Wilai?Atm ธนาคารกรุงไทย สาขาเสลภูมิ, about 17 km from the centre - Where is the nearest petrol pump to Si Wilai?ร้านสวัสดิ์พานิชย์, about 4.8 km from the centre - How many hospitals are in Si Wilai?4 mapped - What is the P-code of Si Wilai?TH451014 (OCHA common operational dataset)