# Chai Na Subdistrict, Sena, Phra Nakhon Si Ayutthaya Province

> Source: https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/chai-na/

Subdistrict · Sena 

# Chai Na

Chai Na is a subdistrict (tambon) of Thailand in Sena, Phra Nakhon Si Ayutthaya Province. It covers **29.7 km²**. 11 named villages and localities are recorded here, and 6 mapped services such as hospitals, banks and schools.

- 29.7km²
- 6mapped services
- 6 mtypical elevation

## Where is Chai Na?

Chai Na lies in [Sena](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/), [Phra Nakhon Si Ayutthaya Province](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/), [Thailand](https://wherepedia.org/thailand/). It borders 7 other subdistricts: [Ban Luang](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/ban-luang/), [Ban Thaeo](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/ban-thaeo/), [Chao Chet](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/chao-chet/), [Don Thong](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/don-thong/), [Lat Bua Luang](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/lat-bua-luang/lat-bua-luang/), [Man Wichai](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/man-wichai/) and [Sam Ko](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/sam-ko/). By area it is the 5071st largest of 7,425 subdistricts in Thailand. It covers 13.9% of [Sena](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/). The centre of Chai Na is about 59 km in a straight line from Bangkok, the capital. It is about 9.5 km from Sena, the main town of Sena. The centre point is at 14.2619° N, 100.3483° E. Local names: ชายนา .

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 Chai Na

Open gazetteers list **11 villages, towns and localities** in Chai Na. Settlements here lie between about 3 m and 7 m above sea level (median 6 m).

- Ban Chaiyaphum Phatthana
- Ban Chao Paet
- Ban Don Pho
- Ban Khlong Khut
- Ban Khok Luang Phon
- Ban Mu Klang
- Ban Nong O
- Ban Pin Kaeo
- Ban Rang Ma Tai
- Ban Rang Pho
- Ban Ton Khlong

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 Chai Na and the best time to visit

Using the climate of Sena, 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 Chai Na

Need Nearest mapped Distance 

Hospital โรงพยาบาลส่งเสริมสุขภาพตำบลชายนา · Chai Na 1.0 km [Map](https://www.openstreetmap.org/?mlat=14.25431&mlon=100.35356#map=17/14.25431/100.35356) 

Bank SCB Bank. Sena Branch. · Sam Ko 8.7 km [Map](https://www.openstreetmap.org/?mlat=14.31844&mlon=100.40459#map=17/14.31844/100.40459) 

ATM ธนาคารไทยพาณิชย์ · Namtao 11 km [Map](https://www.openstreetmap.org/?mlat=14.32482&mlon=100.42975#map=17/14.32482/100.42975) 

Petrol pump ปั๊มปตท.ลาดบัวหลวง แสงอารี พรีเมี่ยมออยล์ · Don Thong 6.9 km [Map](https://www.openstreetmap.org/?mlat=14.22187&mlon=100.29912#map=17/14.22187/100.29912) 

Hotel สวนบ้านแม่ ณ ชายนา · Chai Na 1.3 km [Map](https://www.openstreetmap.org/?mlat=14.25061&mlon=100.35233#map=17/14.25061/100.35233) 

Mall เอพีเจแปน · Thep Mongkhon 8.7 km [Map](https://www.openstreetmap.org/?mlat=14.23024&mlon=100.27410#map=17/14.23024/100.27410) 

School โรงเรียนวัดไชยภูมิ · Chai Na 0.5 km [Map](https://www.openstreetmap.org/?mlat=14.25714&mlon=100.34935#map=17/14.25714/100.34935) 

College แผนกช่างอิเล็กทรอนิกส์ วิทยาลัยการอาชีพเสนา · Ban Thaeo 5.8 km [Map](https://www.openstreetmap.org/?mlat=14.31374&mlon=100.35538#map=17/14.31374/100.35538) 

Police station RTP Cyber Village สภ.มารวิชัย · Chai Na 3.5 km [Map](https://www.openstreetmap.org/?mlat=14.23047&mlon=100.35020#map=17/14.23047/100.35020) 

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 Chai Na

Places mapped inside Chai Na in open map data, by type.

- Hospitals2
- Hotels1
- Schools1
- 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.

## Other subdistricts in Sena

- Ban Krathum
- Ban Luang
- Ban Phaen
- Ban Pho
- Ban Thaeo
- Bang Nom Kho
- Chao Chet
- Chao Sadet
- Don Thong
- Hua Wiang
- Lat Nga
- Man Wichai
- Rang Chorakhe
- Sam Ko
- Sam Tum
- Sena

## Quick answers

- Where is Chai Na?In Sena, Phra Nakhon Si Ayutthaya Province, Thailand
- What borders Chai Na?Ban Luang, Ban Thaeo, Chao Chet, Don Thong, Lat Bua Luang, Man Wichai and Sam Ko
- How many villages are in Chai Na?11 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Chai Na?Settlements lie between 3 m and 7 m
- What is the best time to visit Chai Na?November to January
- Where is the nearest hospital to Chai Na?โรงพยาบาลส่งเสริมสุขภาพตำบลชายนา, about 1.0 km from the centre
- Where is the nearest bank to Chai Na?SCB Bank. Sena Branch., about 8.7 km from the centre
- Where is the nearest ATM to Chai Na?ธนาคารไทยพาณิชย์, about 11 km from the centre
- Where is the nearest petrol pump to Chai Na?ปั๊มปตท.ลาดบัวหลวง แสงอารี พรีเมี่ยมออยล์, about 6.9 km from the centre
- How many hospitals are in Chai Na?2 mapped
- What is the P-code of Chai Na?TH141212 (OCHA common operational dataset)