# Lam Sai Subdistrict, Wang Noi – Villages & Map

> Source: https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/wang-noi/lam-sai/

Subdistrict · Wang Noi 

# Lam Sai

Lam Sai is a subdistrict (tambon) of Thailand in Wang Noi, Phra Nakhon Si Ayutthaya Province. It covers **24.8 km²**. 5 named villages and localities are recorded here, and 164 mapped services such as hospitals, banks and schools.

- 24.8km²
- 164mapped services
- 6 mtypical elevation

## Where is Lam Sai?

Lam Sai lies in [Wang Noi](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/wang-noi/), [Phra Nakhon Si Ayutthaya Province](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other subdistricts: [Bo Ta Lo](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/wang-noi/bo-ta-lo/), [Chiang Rak Noi](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/bang-pa-in/chiang-rak-noi/), [Khlong Chik](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/bang-pa-in/khlong-chik/), [Lam Ta Sao](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/wang-noi/lam-ta-sao/), [Phayom](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/wang-noi/phayom/) and [Wang Noi](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/wang-noi/wang-noi/). By area it is the 5502nd largest of 7,425 subdistricts in Thailand. It covers 10.7% of [Wang Noi](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/wang-noi/). The centre of Lam Sai is about 54 km in a straight line from Bangkok, the capital. It is about 6.1 km from Wang Noi, the main town of Wang Noi. The centre point is at 14.2108° N, 100.6615° E. Local names: ลำไทร .

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 Lam Sai

### Nearby, outside Lam Sai

- Residence of Sukhumala Marasri · castle or fort, Ban Len9.0 km
- Residence of Saisavali Bhiromya · castle or fort, Ban Len9.0 km
- Residence of Savang Vadhana · castle or fort, Ban Len9.0 km
- Rachanuson Memorial · memorial, Ban Len9.0 km
- Nine-chamber Mansion · castle or fort, Ban Len9.1 km
- Wehat Chamrun Hall · castle or fort, Ban Len9.1 km
- Uthayan Phumisathian Hall · castle or fort, Ban Len9.2 km
- Bang Pa-In Palace · museum, Ban Len9.2 km
- Residence of Dara Rasmi · castle or fort, Ban Len9.2 km
- Warophat Phiman Hall · castle or fort, Ban Len9.3 km
- Saphakhan Ratchaprayun · museum, Ban Len9.3 km
- The Golden Jubilee Museum of Agriculture · museum, Khlong Nueng11 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: Lam 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

- Don Mueang International Airport (DMK) · Bangkok34 km
- Suvarnabhumi Airport (BKK) · Bangkok60 km

### Nearest railway station

Bang Pa-in (Ban Len), about 8.9 km from the centre.

### Daylight

Days are longest in Jun (about 13.0 hours, sunrise around 05:48) and shortest in Dec (about 11.3 hours, sunrise around 06:33, sunset around 17:51).

Source: [GeoNames country and time-zone files (CC BY 4.0)](https://www.geonames.org/); [Wikidata (CC0) — plug types, mains voltage, driving side; retrieved 2026-11-03](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 Lam Sai

Open gazetteers list **5 villages, towns and localities** in Lam Sai. The largest with a recorded population: Wang Noi (15,865). Settlements here lie between about 2 m and 8 m above sea level (median 6 m).

- Ban Lam Sai
- Ban Lam Ta Sang
- Ban Ngam Phaktop
- Ban Si Yaek Wang Noi
- Wang Noi

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 Lam Sai and the best time to visit

Using the climate of Wang Noi, the warmest month is Apr (average 31 °C) and the coolest is Dec (25 °C). About 1,361 mm of rain falls in a year; the wettest month is Sep (278 mm) and the driest Dec (10 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 16 

Feb 29 14 

Mar 30 47 

Apr 31 75 

May 30 164 

Jun 28 165 

Jul 28 169 

Aug 28 181 

Sep 27 278 

Oct 27 203 

Nov 26 39 

Dec 25 10 

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

## Nearest hospital, bank and fuel from Lam Sai

Need Nearest mapped Distance 

Hospital โรงพยาบาลว้งน้อย · Lam Sai 1.6 km [Map](https://www.openstreetmap.org/?mlat=14.19897&mlon=100.65340#map=17/14.19897/100.65340) 

Bank ธนาคารทหารไทย · Lam Sai 4.2 km [Map](https://www.openstreetmap.org/?mlat=14.18582&mlon=100.63200#map=17/14.18582/100.63200) 

ATM ปั๊ม Pt วังน้อย · Lam Sai 0.7 km [Map](https://www.openstreetmap.org/?mlat=14.20447&mlon=100.66270#map=17/14.20447/100.66270) 

Petrol pump PTT gas station · Lam Sai 0.8 km [Map](https://www.openstreetmap.org/?mlat=14.20394&mlon=100.66179#map=17/14.20394/100.66179) 

Hotel โรงแรม วังน้อยอินน์ · Lam Sai 0.9 km [Map](https://www.openstreetmap.org/?mlat=14.20836&mlon=100.66928#map=17/14.20836/100.66928) 

Mall Premium Outlet Ayutthaya · Khlong Chik 5.5 km [Map](https://www.openstreetmap.org/?mlat=14.21012&mlon=100.61038#map=17/14.21012/100.61038) 

School ศูนย์พัฒนาเด็กเล็กหมู่บ้านเจษฎา 6 · Lam Sai 0.5 km [Map](https://www.openstreetmap.org/?mlat=14.20639&mlon=100.66261#map=17/14.20639/100.66261) 

College กองวิชาการ มหาวิทยาลัยมหาจุฬาลงกรณราชวิทยาลัย อยุธยา · Lam Sai 1.0 km [Map](https://www.openstreetmap.org/?mlat=14.20718&mlon=100.67019#map=17/14.20718/100.67019) 

Police station หน่วยบริการประชาชน สภ.บางปะอิน - จุดสกัดเอเชีย · Khlong Chik 5.7 km [Map](https://www.openstreetmap.org/?mlat=14.20626&mlon=100.60849#map=17/14.20626/100.60849) 

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 Lam Sai

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

- Hospitals10
- Banks10
- ATMs1
- Petrol pumps46
- Hotels6
- Shopping malls1
- Schools1
- Colleges and universities18
- Pharmacies2
- Restaurants67
- Dental clinics2

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 Wang Noi

- Bo Ta Lo
- Chamaep
- Han Taphao
- Khao Ngam
- Lam Ta Sao
- Phayom
- Sanap Thuep
- Wang Chula
- Wang Noi

## Quick answers

- Where is Lam Sai?In Wang Noi, Phra Nakhon Si Ayutthaya Province, Thailand
- What borders Lam Sai?Bo Ta Lo, Chiang Rak Noi, Khlong Chik, Lam Ta Sao, Phayom and Wang Noi
- What is there to see in Lam Sai?Residence of Sukhumala Marasri, Residence of Saisavali Bhiromya, Residence of Savang Vadhana, Rachanuson Memorial
- What time zone is Lam Sai in?UTC+7
- What currency is used in Lam Sai?Baht (THB)
- What language is spoken in Lam Sai?Thai, English (main languages nationally)
- How many villages are in Lam Sai?5 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Lam Sai?Settlements lie between 2 m and 8 m
- What is the best time to visit Lam Sai?November to January
- Where is the nearest hospital to Lam Sai?โรงพยาบาลว้งน้อย, about 1.6 km from the centre
- Where is the nearest bank to Lam Sai?ธนาคารทหารไทย, about 4.2 km from the centre
- Where is the nearest ATM to Lam Sai?ปั๊ม Pt วังน้อย, about 0.7 km from the centre
- Where is the nearest petrol pump to Lam Sai?PTT gas station, about 0.8 km from the centre
- How many hospitals are in Lam Sai?10 mapped
- How many banks are in Lam Sai?10 mapped
- How many ATMs are in Lam Sai?1 mapped
- How many petrol pumps are in Lam Sai?46 mapped
- What is the P-code of Lam Sai?TH141104 (OCHA common operational dataset)