# Nong Yai Subdistrict, Si Somdet, Roi Et Province – Villages

> Source: https://wherepedia.org/thailand/roi-et/si-somdet/nong-yai/

Subdistrict · Si Somdet 

# Nong Yai

Nong Yai is a subdistrict (tambon) of Thailand in Si Somdet, Roi Et Province. It covers **22.7 km²**. 10 named villages and localities are recorded here, and 4 mapped services such as hospitals, banks and schools.

- 22.7km²
- 4mapped services
- 171 mtypical elevation

## Where is Nong Yai?

Nong Yai lies in [Si Somdet](https://wherepedia.org/thailand/roi-et/si-somdet/), [Roi Et Province](https://wherepedia.org/thailand/roi-et/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other subdistricts: [Dong Lan](https://wherepedia.org/thailand/roi-et/mueang-roi-et/dong-lan/), [Khon Kaen](https://wherepedia.org/thailand/roi-et/mueang-roi-et/khon-kaen/), [Mueang Plueai](https://wherepedia.org/thailand/roi-et/si-somdet/mueang-plueai/), [Po Phan](https://wherepedia.org/thailand/roi-et/mueang-roi-et/po-phan/) and [Suan Chik](https://wherepedia.org/thailand/roi-et/si-somdet/suan-chik/). By area it is the 5670th largest of 7,425 subdistricts in Thailand. It covers 13.9% of [Si Somdet](https://wherepedia.org/thailand/roi-et/si-somdet/). The centre of Nong Yai is about 414 km in a straight line from Bangkok, the capital. It is about 7.5 km from Si Somdet, the main town of Si Somdet. The centre point is at 16.0433° N, 103.5398° E. Local names: หนองใหญ่ .

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 Nong Yai

Open gazetteers list **10 villages, towns and localities** in Nong Yai. Settlements here lie between about 160 m and 179 m above sea level (median 171 m).

- Ban Don Sai
- Ban Dong Khwang
- Ban Hong Kok Daeng
- Ban Klang
- Ban Lao Arang
- Ban Lao Klang
- Ban Non Khwang
- Ban Non Sida
- Ban Nong Mueang
- Ban Nong Yai

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).

## Weather in Nong Yai and the best time to visit

Using the climate of Si Somdet, 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 Nong Yai

Need Nearest mapped Distance 

Hospital โรงพยาบาลปราสาท จังหวัดสุรินทร์: Prasat Hospital · Mueang Plueai 2.9 km [Map](https://www.openstreetmap.org/?mlat=16.02274&mlon=103.55711#map=17/16.02274/103.55711) 

Bank ธ.กรุงไทย โรบินสันร้อยเอ็ด · Khon Kaen 5.6 km [Map](https://www.openstreetmap.org/?mlat=16.04628&mlon=103.59225#map=17/16.04628/103.59225) 

ATM Atm กรุงไทยมหาวิทยาลัยมหามกุฎราชวิทยาลัย วิทยาเขตร้อยเอด · Dong Lan 9.2 km [Map](https://www.openstreetmap.org/?mlat=16.04488&mlon=103.62581#map=17/16.04488/103.62581) 

Petrol pump ปั้ม ปตท 101 ทางไปสารคาม · Dong Lan 5.5 km [Map](https://www.openstreetmap.org/?mlat=16.08009&mlon=103.57484#map=17/16.08009/103.57484) 

Hotel โฮมสเตย์แสงเพชร · Po Phan 5.4 km [Map](https://www.openstreetmap.org/?mlat=16.08382&mlon=103.56702#map=17/16.08382/103.56702) 

Mall วุฒิศักดิ์ คลีนิค โรบินสันร้อยเอ็ด · Dong Lan 8.5 km [Map](https://www.openstreetmap.org/?mlat=16.06057&mlon=103.61687#map=17/16.06057/103.61687) 

School โรงเรียนโนนสีดาวิทยา · Nong Yai 1.7 km [Map](https://www.openstreetmap.org/?mlat=16.04883&mlon=103.52539#map=17/16.04883/103.52539) 

College วิทยาลัยอาชีวศึกษาขอนแก่น · Khon Kaen 7.2 km [Map](https://www.openstreetmap.org/?mlat=16.01049&mlon=103.59821#map=17/16.01049/103.59821) 

Police station จุดตรวจ พลาญชัย ถนนสายร้อยเอ็ด-สารคาม · Nong Waeng 6.1 km [Map](https://www.openstreetmap.org/?mlat=16.07717&mlon=103.58524#map=17/16.07717/103.58524) 

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 Nong Yai

Places mapped inside Nong Yai in open map data, by type.

- Schools3
- 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 Si Somdet

- Ban Bak
- Mueang Plueai
- Nong Waeng Khuang
- Pho Sai
- Pho Thong
- Si Somdet
- Suan Chik

## Quick answers

- Where is Nong Yai?In Si Somdet, Roi Et Province, Thailand
- What borders Nong Yai?Dong Lan, Khon Kaen, Mueang Plueai, Po Phan and Suan Chik
- How many villages are in Nong Yai?10 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Nong Yai?Settlements lie between 160 m and 179 m
- What is the best time to visit Nong Yai?October to February
- Where is the nearest hospital to Nong Yai?โรงพยาบาลปราสาท จังหวัดสุรินทร์: Prasat Hospital, about 2.9 km from the centre
- Where is the nearest bank to Nong Yai?ธ.กรุงไทย โรบินสันร้อยเอ็ด, about 5.6 km from the centre
- Where is the nearest ATM to Nong Yai?Atm กรุงไทยมหาวิทยาลัยมหามกุฎราชวิทยาลัย วิทยาเขตร้อยเอด, about 9.2 km from the centre
- Where is the nearest petrol pump to Nong Yai?ปั้ม ปตท 101 ทางไปสารคาม, about 5.5 km from the centre
- What is the P-code of Nong Yai?TH451604 (OCHA common operational dataset)