# Si Roi Subdistrict, Wiset Chai Chan, Ang Thong Province

> Source: https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/si-roi/

Subdistrict · Wiset Chai Chan 

# Si Roi

Si Roi is a subdistrict (tambon) of Thailand in Wiset Chai Chan, Ang Thong Province. It covers **10.5 km²**. 6 named villages and localities are recorded here, and 5 mapped services such as hospitals, banks and schools.

- 10.5km²
- 5mapped services
- 10 mtypical elevation

## Where is Si Roi?

Si Roi lies in [Wiset Chai Chan](https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/), [Ang Thong Province](https://wherepedia.org/thailand/ang-thong/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other subdistricts: [Bang Chak](https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/bang-chak/), [Hua Taphan](https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/hua-taphan/), [Khlong Khanak](https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/khlong-khanak/), [Phai Chamsin](https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/phai-chamsin/), [Phai Dam Phatthana](https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/phai-dam-phatthana/) and [Tha Chang](https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/tha-chang/). By area it is the 6714th largest of 7,425 subdistricts in Thailand. It covers 4.4% of [Wiset Chai Chan](https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/). The centre of Si Roi is about 89 km in a straight line from Bangkok, the capital. It is about 6.3 km from Wiset Chaichan, the main town of Wiset Chai Chan. The centre point is at 14.5482° N, 100.3701° E. Local names: สี่ร้อย .

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 Roi

Open gazetteers list **6 villages, towns and localities** in Si Roi. Settlements here lie between about 4 m and 11 m above sea level (median 10 m).

- Ban Nam Phu
- Ban Pho Si
- Ban Prakhon
- Ban Si Roi
- Ban Tha U
- Ban Thamnop

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 Si Roi and the best time to visit

Using the climate of Wiset Chai Chan, the warmest month is Apr (average 31 °C) and the coolest is Dec (25 °C). About 1,291 mm of rain falls in a year; the wettest month is Sep (277 mm) and the driest Dec (9 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 12 

Feb 29 11 

Mar 31 44 

Apr 31 73 

May 30 155 

Jun 28 156 

Jul 28 161 

Aug 27 179 

Sep 27 277 

Oct 27 181 

Nov 26 32 

Dec 25 9 

Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/).

## Nearest hospital, bank and fuel from Si Roi

Need Nearest mapped Distance 

Hospital โรงพยาบาลวิเศษชัยขาญ · Tha Chang 1.8 km [Map](https://www.openstreetmap.org/?mlat=14.56264&mlon=100.36330#map=17/14.56264/100.36330) 

Bank ธนาคารออมสิน สาขาวิเศษชัยชาญ · San Chao Rong Thong 5.4 km [Map](https://www.openstreetmap.org/?mlat=14.59506&mlon=100.35532#map=17/14.59506/100.35532) 

ATM BAAC ATM · Bang Kaeo 10 km [Map](https://www.openstreetmap.org/?mlat=14.59175&mlon=100.45169#map=17/14.59175/100.45169) 

Petrol pump ปตท.ป่าโมก · Khok Chang 5.7 km [Map](https://www.openstreetmap.org/?mlat=14.49952&mlon=100.38620#map=17/14.49952/100.38620) 

Hotel Homestay Angthong•บ้านสวนริมน้ำ โฮมสเตย์ อ่างทอง · Phai Chamsin 4.5 km [Map](https://www.openstreetmap.org/?mlat=14.58532&mlon=100.35392#map=17/14.58532/100.35392) 

Mall เซเว่นท่ารถตู้วิเศษ · San Chao Rong Thong 5.8 km [Map](https://www.openstreetmap.org/?mlat=14.59781&mlon=100.35274#map=17/14.59781/100.35274) 

School โรงเรียนวัดสี่ร้อย · Si Roi 0.8 km [Map](https://www.openstreetmap.org/?mlat=14.55350&mlon=100.36581#map=17/14.55350/100.36581) 

College โรงเรียนวัดนางชำ · Khlong Khanak 3.7 km [Map](https://www.openstreetmap.org/?mlat=14.51731&mlon=100.35681#map=17/14.51731/100.35681) 

Police station สภ.บางจัก · Bang Chak 3.4 km [Map](https://www.openstreetmap.org/?mlat=14.51807&mlon=100.36902#map=17/14.51807/100.36902) 

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 Roi

Places mapped inside Si Roi in open map data, by type.

- Hospitals2
- Schools1
- Restaurants2

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 Wiset Chai Chan

- Bang Chak
- Hua Taphan
- Huai Khan Laen
- Khlong Khanak
- Lak Kaeo
- Muang Tia
- Phai Chamsin
- Phai Dam Phatthana
- Phai Wong
- San Chao Rong Thong
- Sao Rong Hai
- Talat Mai
- Tha Chang
- Yi Lon

## Quick answers

- Where is Si Roi?In Wiset Chai Chan, Ang Thong Province, Thailand
- What borders Si Roi?Bang Chak, Hua Taphan, Khlong Khanak, Phai Chamsin, Phai Dam Phatthana and Tha Chang
- How many villages are in Si Roi?6 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Si Roi?Settlements lie between 4 m and 11 m
- What is the best time to visit Si Roi?November to January
- Where is the nearest hospital to Si Roi?โรงพยาบาลวิเศษชัยขาญ, about 1.8 km from the centre
- Where is the nearest bank to Si Roi?ธนาคารออมสิน สาขาวิเศษชัยชาญ, about 5.4 km from the centre
- Where is the nearest ATM to Si Roi?BAAC ATM, about 10 km from the centre
- Where is the nearest petrol pump to Si Roi?ปตท.ป่าโมก, about 5.7 km from the centre
- How many hospitals are in Si Roi?2 mapped
- What is the P-code of Si Roi?TH150611 (OCHA common operational dataset)