# Chang Sai Subdistrict, Kanchanadit, Surat Thani Province

> Source: https://wherepedia.org/thailand/surat-thani/kanchanadit/chang-sai/

Subdistrict · Kanchanadit 

# Chang Sai

Chang Sai is a subdistrict (tambon) of Thailand in Kanchanadit, Surat Thani Province. It covers **144.2 km²**. 12 named villages and localities are recorded here, and 17 mapped services such as hospitals, banks and schools.

- 144km²
- 17mapped services
- 31 mtypical elevation

## Where is Chang Sai?

Chang Sai lies in [Kanchanadit](https://wherepedia.org/thailand/surat-thani/kanchanadit/), [Surat Thani Province](https://wherepedia.org/thailand/surat-thani/), [Thailand](https://wherepedia.org/thailand/). It borders 8 other subdistricts: [Chang Khwa](https://wherepedia.org/thailand/surat-thani/kanchanadit/chang-khwa/), [Kadae](https://wherepedia.org/thailand/surat-thani/kanchanadit/kadae/), [Krut](https://wherepedia.org/thailand/surat-thani/kanchanadit/krut/), [Lamphun](https://wherepedia.org/thailand/surat-thani/ban-na-san/lamphun/), [Pa Ron](https://wherepedia.org/thailand/surat-thani/kanchanadit/pa-ron/), [Thung Rang](https://wherepedia.org/thailand/surat-thani/kanchanadit/thung-rang/), [Thung Tao](https://wherepedia.org/thailand/surat-thani/ban-na-san/thung-tao/) and [Thung Tao Mai](https://wherepedia.org/thailand/surat-thani/ban-na-san/thung-tao-mai/). By area it is the 701st largest of 7,425 subdistricts in Thailand. It covers 13.4% of [Kanchanadit](https://wherepedia.org/thailand/surat-thani/kanchanadit/). The centre of Chang Sai is about 538 km in a straight line from Bangkok, the capital. It is about 16 km from Kanchanadit, the main town of Kanchanadit. The centre point is at 9.0193° N, 99.4729° E. Local names: ช้างซ้าย .

Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha).

## Things to see in and around Chang Sai

OpenStreetMap lists 1 named sights in Chang Sai: 1 cave.

- Tham Phra · cave

### Nearby, outside Chang Sai

- Monkey Training College · theme park, Thung Kong15 km
- Dat Fa Waterfall · waterfall, Lamphun18 km
- ferry · attraction, Takhian Thong20 km

Source: [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright).

Named attractions, museums, viewpoints, historic sites and natural features mapped in OpenStreetMap. Places of worship are not listed.

## Know before you go: Chang Sai

- Time zoneUTC+7, no daylight saving · Asia/Bangkok
- CurrencyBaht (THB)
- Country calling code+66
- LanguagesThai, English
- Plug typesType A, B, C, F · 220 V
- Driving sideLeft
- Postcode format5 digits (#####)

### Nearest airports

- Surat Thani Airport (URT) · Surat Thani39 km
- Nakhon Si Thammarat Airport (NST) · Nakhon Si Thammarat74 km

### Nearest railway station

Khao Phlu (Tha Sathon), about 20 km from the centre.

### Daylight

Days are longest in Jun (about 12.6 hours, sunrise around 06:02) and shortest in Dec (about 11.6 hours, sunrise around 06:29, sunset around 18:05).

Source: [GeoNames country and time-zone files (CC BY 4.0)](https://www.geonames.org/); [Wikidata (CC0) — plug types, mains voltage, driving side; retrieved 2026-11-02](https://www.wikidata.org/); [OurAirports (public domain)](https://ourairports.com/data/).

Airports with scheduled passenger flights; straight-line distances. Daylight is calculated for the 15th of each month in local standard time. Check entry and visa rules with official government sources before travelling.

## Villages and localities in Chang Sai

Open gazetteers list **12 villages, towns and localities** in Chang Sai. Settlements here lie between about 20 m and 96 m above sea level (median 31 m).

- Ban Don Klang
- Ban Don Niang
- Ban Huai Dan
- Ban Khuan Racha
- Ban Kong Tak
- Ban Nuea Khlong
- Ban Pak Khu
- Ban Sai Kham
- Ban Sai Khun In
- Ban Si Khuan Thong
- Ban Thung Kha
- Ban Ton Mak

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 Chang Sai

Named natural and historic features inside Chang Sai, from the GeoNames gazetteer.

### Hills and mountains

8 hills; 2 mountains.

- Khao Khok Sung · 349 m
- Khao Kong · 282 m
- Khao Tham Phra · 243 m
- Khao Phanom Nai · 188 m
- Khao Khanan Po · 180 m
- Khao Khok Ngai · 155 m
- Khao Tai Pa · 125 m
- Khao Na Phlap · 113 m
- Khao Phra · 110 m
- Khao Chong Mo · 98 m

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 Chang Sai and the best time to visit

Using the climate of Kanchanadit, the warmest month is Apr (average 28 °C) and the coolest is Jan (25 °C). About 2,329 mm of rain falls in a year; the wettest month is Nov (320 mm) and the driest Feb (31 mm). The most comfortable months for a visit are **February to March**.

- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec

Month Average °C Rain mm 

Jan 25 123 

Feb 26 31 

Mar 27 110 

Apr 28 104 

May 28 217 

Jun 27 221 

Jul 26 223 

Aug 26 216 

Sep 26 264 

Oct 26 276 

Nov 26 320 

Dec 25 224 

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

## Nearest hospital, bank and fuel from Chang Sai

Need Nearest mapped Distance 

Hospital โรงพยาบาลเทพธารินทร์ · Chang Sai 1.3 km [Map](https://www.openstreetmap.org/?mlat=9.02216&mlon=99.46181#map=17/9.02216/99.46181) 

Bank ธ.ก.ส บ้านกรูด · Krut 10.0 km [Map](https://www.openstreetmap.org/?mlat=9.09063&mlon=99.52842#map=17/9.09063/99.52842) 

ATM ตู้ Atm ทีเอ็มบีธนชาต เทสโก้ โลตัส สุราษฎร์ธานี · Makham Tia 21 km [Map](https://www.openstreetmap.org/?mlat=9.10396&mlon=99.30704#map=17/9.10396/99.30704) 

Petrol pump PTT Station (พีทีที สเตชั่น) · Thung Rang 8.5 km [Map](https://www.openstreetmap.org/?mlat=9.07879&mlon=99.42399#map=17/9.07879/99.42399) 

Hotel เพชรศรีฟ้ารีสอร์ท · Chang Sai 5.5 km [Map](https://www.openstreetmap.org/?mlat=8.97101&mlon=99.46091#map=17/8.97101/99.46091) 

Mall สหไทย ซูเปอร์มาร์เก็ต สุราษฎร์ธานี · Makham Tia 15 km [Map](https://www.openstreetmap.org/?mlat=9.10777&mlon=99.37264#map=17/9.10777/99.37264) 

School Ban Khuan Racha School · Chang Sai 1.0 km [Map](https://www.openstreetmap.org/?mlat=9.02736&mlon=99.47675#map=17/9.02736/99.47675) 

College โรงเรียนบ้านซอย 2 · Khun Thale 12 km [Map](https://www.openstreetmap.org/?mlat=9.06948&mlon=99.37906#map=17/9.06948/99.37906) 

Police station Surat Thani Immigration office · Thung Rang 10 km [Map](https://www.openstreetmap.org/?mlat=9.08567&mlon=99.40699#map=17/9.08567/99.40699) 

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 Chang Sai

Places mapped inside Chang Sai in open map data, by type.

- Hospitals5
- Petrol pumps1
- Hotels3
- Schools5
- Restaurants3

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 Kanchanadit

- Chang Khwa
- Kadae
- Khlong Sa
- Krut
- Pa Ron
- Phlai Wat
- Takhian Thong
- Tha Thong
- Tha Thong Mai
- Tha Uthae
- Thung Kong
- Thung Rang

## Quick answers

- Where is Chang Sai?In Kanchanadit, Surat Thani Province, Thailand
- What borders Chang Sai?Chang Khwa, Kadae, Krut, Lamphun, Pa Ron, Thung Rang, Thung Tao and Thung Tao Mai
- What is there to see in Chang Sai?Tham Phra
- What time zone is Chang Sai in?UTC+7
- What currency is used in Chang Sai?Baht (THB)
- What language is spoken in Chang Sai?Thai, English (main languages nationally)
- How many villages are in Chang Sai?12 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Chang Sai?Settlements lie between 20 m and 96 m
- What is the highest point in Chang Sai?Khao Khok Sung (349 m, GeoNames elevation model)
- What is the best time to visit Chang Sai?February to March
- Where is the nearest hospital to Chang Sai?โรงพยาบาลเทพธารินทร์, about 1.3 km from the centre
- Where is the nearest bank to Chang Sai?ธ.ก.ส บ้านกรูด, about 10.0 km from the centre
- Where is the nearest ATM to Chang Sai?ตู้ Atm ทีเอ็มบีธนชาต เทสโก้ โลตัส สุราษฎร์ธานี, about 21 km from the centre
- Where is the nearest petrol pump to Chang Sai?PTT Station (พีทีที สเตชั่น), about 8.5 km from the centre
- How many hospitals are in Chang Sai?5 mapped
- How many petrol pumps are in Chang Sai?1 mapped
- What is the P-code of Chang Sai?TH840206 (OCHA common operational dataset)