# Na Si Subdistrict, Suwannakhuha, Nong Bua Lam Phu Province

> Source: https://wherepedia.org/thailand/nong-bua-lam-phu/suwannakhuha/na-si/

Subdistrict · Suwannakhuha 

# Na Si

Na Si is a subdistrict (tambon) of Thailand in Suwannakhuha, Nong Bua Lam Phu Province. It covers **66.6 km²**. 15 named villages and localities are recorded here, and 4 mapped services such as hospitals, banks and schools.

- 66.6km²
- 4mapped services
- 217 mtypical elevation

## Where is Na Si?

Na Si lies in [Suwannakhuha](https://wherepedia.org/thailand/nong-bua-lam-phu/suwannakhuha/), [Nong Bua Lam Phu Province](https://wherepedia.org/thailand/nong-bua-lam-phu/), [Thailand](https://wherepedia.org/thailand/). It borders 8 other subdistricts: [Ban Khok](https://wherepedia.org/thailand/nong-bua-lam-phu/suwannakhuha/ban-khok/), [Ban Yuak](https://wherepedia.org/thailand/udon-thani/nam-som/ban-yuak/), [Champa Mong](https://wherepedia.org/thailand/udon-thani/ban-phue/champa-mong/), [Dong Mafai](https://wherepedia.org/thailand/nong-bua-lam-phu/suwannakhuha/dong-mafai/), [Kut Phueng](https://wherepedia.org/thailand/nong-bua-lam-phu/suwannakhuha/kut-phueng/), [Mueang Phan](https://wherepedia.org/thailand/udon-thani/ban-phue/mueang-phan/), [Samakkhi](https://wherepedia.org/thailand/udon-thani/nam-som/samakkhi/) and [Suwannakhuha](https://wherepedia.org/thailand/nong-bua-lam-phu/suwannakhuha/suwannakhuha/). By area it is the 2395th largest of 7,425 subdistricts in Thailand. It covers 11.9% of [Suwannakhuha](https://wherepedia.org/thailand/nong-bua-lam-phu/suwannakhuha/). The centre of Na Si is about 472 km in a straight line from Bangkok, the capital. It is about 7.4 km from Suwannakhuha, the main town of Suwannakhuha. The centre point is at 17.6274° N, 102.2982° E. Local names: นาสี .

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 Na Si

### Nearby, outside Na Si

- Phu Phra Bat Historical Park · viewpoint, Mueang Phan7.8 km
- Pha Sa Det · viewpoint, Mueang Phan13 km
- Rock Paintings · attraction, Mueang Phan13 km
- Kok Ma Noi ( The small horse stable) · attraction, Mueang Phan13 km
- Phu Phra Bat Historical Park · attraction, Mueang Phan13 km
- Oupmong · monument, Mueang Phan14 km
- ศาลเจ้าปู่โสม · castle or fort, Na Ngua19 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: Na Si

- 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

- Wattay International Airport (VTE) · Vientiane49 km
- Udon Thani International Airport (UTH) · Udon Thani59 km

### Daylight

Days are longest in Jun (about 13.2 hours, sunrise around 05:35) and shortest in Dec (about 11.1 hours, sunrise around 06:33, sunset around 17:38).

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 Na Si

Open gazetteers list **15 villages, towns and localities** in Na Si. Settlements here lie between about 196 m and 242 m above sea level (median 217 m).

- Ban Dong Yang
- Ban Hin Hao
- Ban Huai Han Phatthana
- Ban Huai Hea
- Ban Kham
- Ban Khok Tao Pun
- Ban Khuha Phatthana
- Ban Na Nikhom
- Ban Na Si
- Ban Na Ta Laeo
- Ban Nam Kong
- Ban Non Sombun
- Ban Sam Phu Thong
- Ban Si Wilai
- Ban Surin Phatthana

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 Na Si

Named natural and historic features inside Na Si, from the GeoNames gazetteer.

### Water

2 rivers and streams; 1 reservoir or tank.

- Ang Kep Nam Ban Hin Hao
- Huai Khanan
- Huai Nam Mong

### Hills and mountains

1 hill.

- Phu Pha Kup · 410 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 Na Si and the best time to visit

Using the climate of Suwannakhuha, the warmest month is Apr (average 31 °C) and the coolest is Dec (21 °C). About 1,323 mm of rain falls in a year; the wettest month is Aug (257 mm) and the driest Dec (7 mm). The most comfortable months for a visit are **October to February**.

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

Month Average °C Rain mm 

Jan 22 8 

Feb 26 16 

Mar 29 39 

Apr 31 73 

May 29 187 

Jun 28 179 

Jul 27 203 

Aug 26 257 

Sep 26 234 

Oct 25 102 

Nov 23 18 

Dec 21 7 

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

## Nearest hospital, bank and fuel from Na Si

Need Nearest mapped Distance 

Hospital รพ.สต.หินฮาว · Na Si 3.6 km [Map](https://www.openstreetmap.org/?mlat=17.65986&mlon=102.30053#map=17/17.65986/102.30053) 

Bank ธนาคารออมสิน สาขาสุวรรณคูหา · Suwannakhuha 7.2 km [Map](https://www.openstreetmap.org/?mlat=17.56637&mlon=102.27483#map=17/17.56637/102.27483) 

ATM ธ.ก.ส.กุดดินจี่ · Kut Din Chi 30 km [Map](https://www.openstreetmap.org/?mlat=17.35613&mlon=102.25944#map=17/17.35613/102.25944) 

Petrol pump Fuel Station · Mueang Phan 6.2 km [Map](https://www.openstreetmap.org/?mlat=17.64624&mlon=102.35329#map=17/17.64624/102.35329) 

Hotel บ้านไผ่ล้อม · Mueang Phan 5.3 km [Map](https://www.openstreetmap.org/?mlat=17.62880&mlon=102.34795#map=17/17.62880/102.34795) 

Mall ร้านกิตติพืชผล · Ban Khok 14 km [Map](https://www.openstreetmap.org/?mlat=17.53996&mlon=102.20141#map=17/17.53996/102.20141) 

School โรงเรียนบ้านนาสี · Kut Phueng 5.3 km [Map](https://www.openstreetmap.org/?mlat=17.58301&mlon=102.31519#map=17/17.58301/102.31519) 

College วิทยาลัยการอาชีพบ้านผือ · Mueang Phan 12 km [Map](https://www.openstreetmap.org/?mlat=17.68226&mlon=102.39362#map=17/17.68226/102.39362) 

Police station สภ.สุวรรณคูหา · Suwannakhuha 7.5 km [Map](https://www.openstreetmap.org/?mlat=17.56233&mlon=102.27807#map=17/17.56233/102.27807) 

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 Na Si

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

- Hospitals2
- Hotels1
- Restaurants1

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 Suwannakhuha

- Ban Khok
- Bunthan
- Dong Mafai
- Kut Phueng
- Na Dan
- Na Di
- Suwannakhuha

## Quick answers

- Where is Na Si?In Suwannakhuha, Nong Bua Lam Phu Province, Thailand
- What borders Na Si?Ban Khok, Ban Yuak, Champa Mong, Dong Mafai, Kut Phueng, Mueang Phan, Samakkhi and Suwannakhuha
- What is there to see in Na Si?Phu Phra Bat Historical Park, Pha Sa Det, Rock Paintings, Kok Ma Noi ( The small horse stable)
- What time zone is Na Si in?UTC+7
- What currency is used in Na Si?Baht (THB)
- What language is spoken in Na Si?Thai, English (main languages nationally)
- How many villages are in Na Si?15 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Na Si?Settlements lie between 196 m and 242 m
- How many reservoirs and tanks are in Na Si?1 named in GeoNames
- What is the highest point in Na Si?Phu Pha Kup (410 m, GeoNames elevation model)
- What is the best time to visit Na Si?October to February
- Where is the nearest hospital to Na Si?รพ.สต.หินฮาว, about 3.6 km from the centre
- Where is the nearest bank to Na Si?ธนาคารออมสิน สาขาสุวรรณคูหา, about 7.2 km from the centre
- Where is the nearest ATM to Na Si?ธ.ก.ส.กุดดินจี่, about 30 km from the centre
- Where is the nearest petrol pump to Na Si?Fuel Station, about 6.2 km from the centre
- How many hospitals are in Na Si?2 mapped
- What is the P-code of Na Si?TH390501 (OCHA common operational dataset)