# Chian Yai, Nakhon Si Thammarat Province – Subdistricts

> Source: https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/

District · Nakhon Si Thammarat Province 

# Chian Yai

Chian Yai is a district (amphoe) of Thailand in Nakhon Si Thammarat Province. It had an estimated **23,506 people** in 2023 on 324 km² (about 73 per km²). Its main town is Chian Yai. It is divided into 10 subdistricts. 141 named villages and localities are recorded here, and 98 mapped services such as hospitals, banks and schools.

- 23,506people (2023)
- 324km²
- 10subdistricts
- 98mapped services

## How many people live in Chian Yai?

Chian Yai had an estimated **23,506 people** in 2023 — 2.0% of Nakhon Si Thammarat Province, 687th of 928 districts. There are 1,068 women for every 1,000 men (above the Nakhon Si Thammarat Province figure of 1,044). Spread over 324 km², that is about **73 people per km²**, 574th of 928 districts.

18.9% of people are children under 15 and 27.0% are 65 or older; the median age is about 49 years (it is 42 across Nakhon Si Thammarat Province). For every 100 people of working age (15–64) there are 85 children and older people.

0–4 ****1,439**

5–9 ****1,532**

10–14 ****1,466**

15–19 ****1,172**

20–24 ****638**

25–29 ****845**

30–34 ****994**

35–39 ****1,148**

40–44 ****1,378**

45–49 ****1,415**

50–54 ****1,447**

55–59 ****1,688**

60–64 ****1,993**

65–69 ****2,002**

70–74 ****1,592**

75–79 ****1,222**

80+ ****1,535**

Source: [National Statistics Office of Thailand via OCHA HDX, population 2023 (COD-PS, CC BY-IGO)](https://data.humdata.org/dataset/cod-ps-tha).

## Where is Chian Yai?

Chian Yai lies in [Nakhon Si Thammarat Province](https://wherepedia.org/thailand/nakhon-si-thammarat/), [Thailand](https://wherepedia.org/thailand/). It borders 4 other districts: [Cha-Uat](https://wherepedia.org/thailand/nakhon-si-thammarat/cha-uat/), [Chaloem Phra Kiat](https://wherepedia.org/thailand/nakhon-si-thammarat/chaloem-phra-kiat/), [Hua Sai](https://wherepedia.org/thailand/nakhon-si-thammarat/hua-sai/) and [Pak Phanang](https://wherepedia.org/thailand/nakhon-si-thammarat/pak-phanang/). By area it is the 568th largest of 928 districts in Thailand. It covers 3.3% of [Nakhon Si Thammarat Province](https://wherepedia.org/thailand/nakhon-si-thammarat/). The centre of Chian Yai is about 628 km in a straight line from Bangkok, the capital. It is about 41 km from Nakhon Si Thammarat, the main town of Nakhon Si Thammarat Province. The centre point is at 8.1194° N, 100.1639° E. Local names: เชียรใหญ่ .

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

## Subdistricts of Chian Yai

Subdistrict Area km² Localities Services 

[Ban Klang](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/ban-klang/) 9.5 5 1 

[Ban Noen](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/ban-noen/) 25 13 5 

[Chian Yai](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/chian-yai/) 20 10 21 

[Karaket](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/karaket/) 70 17 8 

[Khao Phrabat](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/khao-phrabat/) 42 22 10 

[Mae Chao Yu Hua](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/mae-chao-yu-hua/) 47 15 27 

[Sai Mak](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/sai-mak/) 27 15 5 

[Suea Hueng](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/suea-hueng/) 26 18 6 

[Tha Khanan](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/tha-khanan/) 23 13 3 

[Thong Lamchiak](https://wherepedia.org/thailand/nakhon-si-thammarat/chian-yai/thong-lamchiak/) 34 14 12 

Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha); [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

## Villages and localities in Chian Yai

Open gazetteers list **141 villages, towns and localities** in Chian Yai. The largest with a recorded population: Ban Ya Liap (100). Settlements here lie between about 0 m and 101 m above sea level (median 5 m).

- Ban Ang Tanot
- Ban Ao Phanom
- Ban Bang Chan
- Ban Bang Di
- Ban Bang Duan
- Ban Bang Khu
- Ban Bang Kot
- Ban Bang Lam Theng
- Ban Bang Lan Khwai
- Ban Bang Leng
- Ban Bang Liap
- Ban Bang Mot
- Ban Bang Nai Phon
- Ban Bang Ngu
- Ban Bang Nian
- Ban Bang Phra
- Ban Bang Po
- Ban Bang Prong
- Ban Bang Thong Kham
- Ban Bang Yiao
- Ban Bo La
- Ban Bo Lo
- Ban Bo Mu
- Ban Chai Map Tin
- Ban Chan Di
- Ban Chang
- Ban Don Bua Bok
- Ban Don Chang Tai
- Ban Don Chik
- Ban Don Kam
- Ban Don Pho
- Ban Don Rong
- Ban Don Tanot
- Ban Don Wat
- Ban Don Yang
- Ban Hua Khai
- Ban Hua Khao Chuk
- Ban Hua Mai Phai
- Ban Hua Pa
- Ban Hua Pian
- Ban Hua Po
- Ban Hua Sai
- Ban Hua Thanon Karaket
- Ban Hua Thom
- Ban Kao Tam Lueng
- Ban Karaket
- Ban Khao Kaeo Wichian
- Ban Khlong Chang
- Ban Khlong Daen
- Ban Khlong Khayan
- Ban Khlong Khwang
- Ban Khlong Sai
- Ban Khlong Thia
- Ban Khongkha Lom
- Ban Khot Thammarat
- Ban Khwai To Hua
- Ban Ko Ta Chai
- Ban Ko Thuat
- Ban Krai Thai
- Ban Mai
- Ban Mom Ram
- Ban Muang Rang Raeng
- Ban Na
- Ban Na Khae
- Ban Na Lang
- Ban Na Nok
- Ban Nai Ao
- Ban Nai Suan
- Ban Nai Wang
- Ban Nam Bo
- Ban Noen
- Ban Nok Na
- Ban Nong Chang Len
- Ban Nong Due Le
- Ban Nong Khlon
- Ban Nong Mon
- Ban Nong Phan Si
- Ban Nong Pheng Kro
- Ban Nong Phing Phuai
- Ban Nong Si Khwan
- Ban Pa Krathum
- Ban Pak Bang
- Ban Pak Chong
- Ban Pak Khlong
- Ban Pak Khlong Nuea
- Ban Pak Khlong Tin
- Ban Phang Phrae
- Ban Phao Khueang
- Ban Pho Mai
- Ban Phoeng
- Ban Phra Hak
- Ban Phra Hom
- Ban Phrong Tum
- Ban Phru Khwang
- Ban Phru Ruap
- Ban Phun Thanon
- Ban Plai Khlong Nua
- Ban Plai Thong
- Ban Rong
- Ban Rong Bon
- Ban Sa Chu
- Ban Sa Kaeo
- Ban Sa Kam
- Ban Sa Ket
- Ban Sa Nian
- Ban Sa Pho
- Ban Sai Khao
- Ban Sai Mak
- Ban Sai Thong
- Ban San En
- Ban Sang Mian
- Ban Si Raksa
- Ban Tha Chang
- Ban Tha Din Daeng
- Ban Tha Kha
- Ban Tha Khanan
- Ban Tha Thong
- Ban Tha Wa
- Ban Tha Yai
- Ban Thai Tanot
- Ban Thai Thale
- Ban Thap Thong
- Ban Thawon
- Ban Thom Thi
- Ban Thon Mai Phai Lai
- Ban Thon Put
- Ban Thong Kum
- Ban Thong Lam Chiak
- Ban Thong Lan
- Ban Thong Phun
- Ban Thong Wai
- Ban Thuai Thep
- Ban Thung Khwan Kaeo
- Ban Trut
- Ban U Kaeo
- Ban Wa Yai
- Ban Ya Liap
- Ban Yan Khae
- Ban Yang Kan
- Chian Yai
- บ้านบางด้วน

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 Chian Yai

Named natural and historic features inside Chian Yai, from the GeoNames gazetteer.

### Water

20 rivers and streams; 1 reservoir or tank.

- Ang Kep Nam Ban Na Nok
- Bang Bai
- Bang Duan
- Bang Leng
- Bang Ngu
- Bang Niam
- Bang Po
- Bang Tok Tua
- Khlong Anurak
- Khlong Ban Klang
- Khlong Cha-Uat
- Khlong Cha-Uat Phraek-Mueang
- Khlong Chang
- Khlong Chian
- Khlong Khong
- Khlong Khwang
- Khlong Mai
- Khlong Noen Tanot
- Khlong Pak Phanang
- Khlong Phlai Thong
- Khlong Thia

### Hills and mountains

4 hills.

- Khao Phrabat · 164 m
- Khao Ta Phut · 149 m
- Khao Sam Kaeo · 56 m
- Khao U Kaeo · 21 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 Chian Yai and the best time to visit

In Chian Yai, the warmest month is Apr (average 28 °C) and the coolest is Jan (25 °C). About 2,361 mm of rain falls in a year; the wettest month is Nov (423 mm) and the driest Feb (35 mm). The most comfortable months for a visit are **February to April**.

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

Month Average °C Rain mm 

Jan 25 172 

Feb 26 35 

Mar 27 113 

Apr 28 114 

May 28 176 

Jun 27 170 

Jul 27 179 

Aug 27 179 

Sep 26 208 

Oct 26 270 

Nov 26 423 

Dec 26 322 

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

## Hospitals, banks and other services in Chian Yai

Places mapped inside Chian Yai in open map data, by type — each number opens the full list with locations.

- Hospitals21
- Banks2
- Petrol pumps8
- Hotels6
- Shopping malls1
- Schools21
- Restaurants37
- Police stations2

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.

## Quick answers

- Where is Chian Yai?In Nakhon Si Thammarat Province, Thailand
- What is the population of Chian Yai?23,506 (2023 estimate)
- What is the median age in Chian Yai?About 49 years (2023 estimate)
- What is the population density of Chian Yai?About 73 people per km²
- What borders Chian Yai?Cha-Uat, Chaloem Phra Kiat, Hua Sai and Pak Phanang
- How many villages are in Chian Yai?141 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Chian Yai?Settlements lie between 0 m and 101 m
- How many reservoirs and tanks are in Chian Yai?1 named in GeoNames
- What is the highest point in Chian Yai?Khao Phrabat (164 m, GeoNames elevation model)
- What is the best time to visit Chian Yai?February to April
- How many hospitals are in Chian Yai?21 mapped
- How many banks are in Chian Yai?2 mapped
- How many petrol pumps are in Chian Yai?8 mapped
- What is the P-code of Chian Yai?TH8006 (OCHA common operational dataset)