# Ban Siao Subdistrict, Na Wa, Nakhon Phanom Province – Villages > Source: https://wherepedia.org/thailand/nakhon-phanom/na-wa/ban-siao/ Subdistrict · Na Wa # Ban Siao Ban Siao is a subdistrict (tambon) of Thailand in Na Wa, Nakhon Phanom Province. It covers **45.7 km²**. 9 named villages and localities are recorded here, and 9 mapped services such as hospitals, banks and schools. - 45.7km² - 9mapped services - 154 mtypical elevation ## Where is Ban Siao? Ban Siao lies in [Na Wa](https://wherepedia.org/thailand/nakhon-phanom/na-wa/), [Nakhon Phanom Province](https://wherepedia.org/thailand/nakhon-phanom/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other subdistricts: [Akat](https://wherepedia.org/thailand/sakon-nakhon/akat-amnuai/akat/), [Lao Phatthana](https://wherepedia.org/thailand/nakhon-phanom/na-wa/lao-phatthana/), [Na Wa](https://wherepedia.org/thailand/nakhon-phanom/na-wa/na-wa/), [Phon Sawang](https://wherepedia.org/thailand/nakhon-phanom/si-songkhram/phon-sawang/) and [Tha Ruea](https://wherepedia.org/thailand/nakhon-phanom/na-wa/tha-ruea/). By area it is the 3692nd largest of 7,425 subdistricts in Thailand. It covers 13.0% of [Na Wa](https://wherepedia.org/thailand/nakhon-phanom/na-wa/). The centre of Ban Siao is about 570 km in a straight line from Bangkok, the capital. It is about 7.0 km from Na Wa, the main town of Na Wa. The centre point is at 17.5512° N, 104.0850° E. Local names: บ้านเสียว . 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 Ban Siao Open gazetteers list **9 villages, towns and localities** in Ban Siao. Settlements here lie between about 153 m and 163 m above sea level (median 154 m). - Ban Dok Sa At - Ban Don - Ban Don Daeng - Ban Don Daeng Khok Chang - Ban Don Phrathai - Ban Khok Sa-at - Ban Nong Ong - Ban Si Yao - Ban Sieo 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 Ban Siao Named natural and historic features inside Ban Siao, from the GeoNames gazetteer. ### Water 3 reservoirs and tanks; 1 river or stream. - Ang Kep Nam Bo Kok - Ang Kep Nam Bo Ta At - Ang Kep Nam Nong Dum - Huai Kok 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 Ban Siao and the best time to visit Using the climate of Na Wa, the warmest month is Apr (average 30 °C) and the coolest is Dec (20 °C). About 1,614 mm of rain falls in a year; the wettest month is Jul (353 mm) and the driest Jan (7 mm). The most comfortable months for a visit are **October to March**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 21 7 Feb 24 16 Mar 28 49 Apr 30 75 May 29 194 Jun 28 226 Jul 27 353 Aug 27 343 Sep 27 237 Oct 25 92 Nov 23 15 Dec 20 7 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Ban Siao Need Nearest mapped Distance Hospital รพ.สต.ดอนเเดง · Ban Siao 0.6 km [Map](https://www.openstreetmap.org/?mlat=17.54653&mlon=104.08867#map=17/17.54653/104.08867) Bank ธนาคารไทยพาณิชย์ · Na Wa 7.2 km [Map](https://www.openstreetmap.org/?mlat=17.48878&mlon=104.10219#map=17/17.48878/104.10219) ATM Kasikornbank · Si Songkhram 19 km [Map](https://www.openstreetmap.org/?mlat=17.62299&mlon=104.24659#map=17/17.62299/104.24659) Petrol pump ปตท. · Na Ngua 9.1 km [Map](https://www.openstreetmap.org/?mlat=17.47078&mlon=104.10249#map=17/17.47078/104.10249) Hotel ห้องพักเทวดา เติมสุขวิลล์ · Na Wa 5.9 km [Map](https://www.openstreetmap.org/?mlat=17.49995&mlon=104.10101#map=17/17.49995/104.10101) Mall เทสโก้ โลตัสนาหว้า · Na Wa 7.0 km [Map](https://www.openstreetmap.org/?mlat=17.48977&mlon=104.10146#map=17/17.48977/104.10146) School โรงเรียนบ้านเสียววิทยา · Ban Siao 1.5 km [Map](https://www.openstreetmap.org/?mlat=17.55163&mlon=104.07062#map=17/17.55163/104.07062) College ช่างยนต์ วิทยาลัยนาหว้า มหาวิทยาลัยนครพนม · Na Wa 7.1 km [Map](https://www.openstreetmap.org/?mlat=17.48922&mlon=104.09959#map=17/17.48922/104.09959) Police station สถานีตำรวจภูธรอากาศอำนวย · Akat 13 km [Map](https://www.openstreetmap.org/?mlat=17.59593&mlon=103.97636#map=17/17.59593/103.97636) 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 Ban Siao Places mapped inside Ban Siao in open map data, by type. - Hospitals3 - Schools5 - 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 Na Wa - Lao Phatthana - Na Khun Yai - Na Ngua - Na Wa - Tha Ruea ## Quick answers - Where is Ban Siao?In Na Wa, Nakhon Phanom Province, Thailand - What borders Ban Siao?Akat, Lao Phatthana, Na Wa, Phon Sawang and Tha Ruea - How many villages are in Ban Siao?9 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Ban Siao?Settlements lie between 153 m and 163 m - How many reservoirs and tanks are in Ban Siao?3 named in GeoNames - What is the best time to visit Ban Siao?October to March - Where is the nearest hospital to Ban Siao?รพ.สต.ดอนเเดง, about 0.6 km from the centre - Where is the nearest bank to Ban Siao?ธนาคารไทยพาณิชย์, about 7.2 km from the centre - Where is the nearest ATM to Ban Siao?Kasikornbank, about 19 km from the centre - Where is the nearest petrol pump to Ban Siao?ปตท., about 9.1 km from the centre - How many hospitals are in Ban Siao?3 mapped - What is the P-code of Ban Siao?TH480903 (OCHA common operational dataset)