# Na Nai Subdistrict, Phanna Nikhom, Sakon Nakhon Province > Source: https://wherepedia.org/thailand/sakon-nakhon/phanna-nikhom/na-nai/ Subdistrict · Phanna Nikhom # Na Nai Na Nai is a subdistrict (tambon) of Thailand in Phanna Nikhom, Sakon Nakhon Province. It covers **134.0 km²**. 9 named villages and localities are recorded here, and 8 mapped services such as hospitals, banks and schools. - 134km² - 8mapped services - 199 mtypical elevation ## Where is Na Nai? Na Nai lies in [Phanna Nikhom](https://wherepedia.org/thailand/sakon-nakhon/phanna-nikhom/), [Sakon Nakhon Province](https://wherepedia.org/thailand/sakon-nakhon/), [Thailand](https://wherepedia.org/thailand/). It borders 10 other subdistricts: [Na Hua Bo](https://wherepedia.org/thailand/sakon-nakhon/phanna-nikhom/na-hua-bo/), [Na Mong](https://wherepedia.org/thailand/sakon-nakhon/kut-bak/na-mong/), [Nikhom Nam Un](https://wherepedia.org/thailand/sakon-nakhon/nikhom-nam-un/nikhom-nam-un/), [Nong Bua](https://wherepedia.org/thailand/sakon-nakhon/nikhom-nam-un/nong-bua/), [Nong Pling](https://wherepedia.org/thailand/sakon-nakhon/nikhom-nam-un/nong-pling/), [Phang Khwang](https://wherepedia.org/thailand/sakon-nakhon/mueang-sakon-nakhon/phang-khwang/), [Pla Lo](https://wherepedia.org/thailand/sakon-nakhon/waritchaphum/pla-lo/), [Rae](https://wherepedia.org/thailand/sakon-nakhon/phang-khon/rae/), [Rai](https://wherepedia.org/thailand/sakon-nakhon/phanna-nikhom/rai/) and [Waritchaphum](https://wherepedia.org/thailand/sakon-nakhon/waritchaphum/waritchaphum/). By area it is the 806th largest of 7,425 subdistricts in Thailand. It covers 17.9% of [Phanna Nikhom](https://wherepedia.org/thailand/sakon-nakhon/phanna-nikhom/). The centre of Na Nai is about 524 km in a straight line from Bangkok, the capital. It is about 16 km from Phanna Nikhom, the main town of Phanna Nikhom. The centre point is at 17.2050° N, 103.8349° E. Local names: นาใน . 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 Nai ### Nearby, outside Na Nai - Rock Carvings · attraction, Na Hua Bo11 km - Phra That Phu Phek · ruins, Na Hua Bo11 km - Pricha Suksan Waterfall · waterfall, Phang Khwang14 km - Ajarn Fun Acharo Museum · museum, Phanna17 km - Seri Thai Cave Exit · cave, Na Mong19 km - Seri Thai Cave Entrance · cave, Na Mong19 km - Ghost Bridge · attraction, Huai Yang20 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 Nai - 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 - Sakon Nakhon Airport (SNO)30 km - Nakhon Phanom Airport (KOP) · Nakhon Phanom88 km ### Daylight Days are longest in Jun (about 13.1 hours, sunrise around 05:30) and shortest in Dec (about 11.1 hours, sunrise around 06:26, sunset around 17:33). 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 Nai Open gazetteers list **9 villages, towns and localities** in Na Nai. Settlements here lie between about 193 m and 203 m above sea level (median 199 m). - Ban Huai Bun - Ban Na Lao - Ban Na Nai - Ban Na Than - Ban Nong Phue - Ban Nong Phue Noi - Ban Phak Kham Phu - Ban Tha Ruea - Ban Un Dong 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 Nai Named natural and historic features inside Na Nai, from the GeoNames gazetteer. ### Water 7 reservoirs and tanks; 1 river or stream. - Ang Kep Nam Huai Bueak - Ang Kep Nam Huai Hin Lat - Ang Kep Nam Huai Khok - Ang Kep Nam Huai Phueng - Ang Kep Nam Huai Suan Pan - Ang Kep Nam Nam Un - Huai Suan Pan - Phu Phek Reservoir ### Hills and mountains 4 hills; 2 mountains. - Phu Hip · 429 m - Phu Kham Hai · 384 m - Phu Phakwan · 296 m - Phu Tham Kwang · 291 m - Phu Phakwan · 260 m - Phu Phek · 196 m ### History 1 ruin. - Wat Khao Wong 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 Nai and the best time to visit Using the climate of Phanna Nikhom, the warmest month is Apr (average 30 °C) and the coolest is Dec (20 °C). About 1,556 mm of rain falls in a year; the wettest month is Aug (325 mm) and the driest Dec (5 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 18 Mar 28 48 Apr 30 76 May 29 202 Jun 27 223 Jul 27 313 Aug 26 325 Sep 26 238 Oct 25 88 Nov 23 14 Dec 20 5 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Na Nai Need Nearest mapped Distance Hospital รพ.สต.บ้านหนองผือ · Na Nai 3.5 km [Map](https://www.openstreetmap.org/?mlat=17.20372&mlon=103.80228#map=17/17.20372/103.80228) Bank ธนาคารไทยพาณิชย์ · Kut Bak 13 km [Map](https://www.openstreetmap.org/?mlat=17.09178&mlon=103.81693#map=17/17.09178/103.81693) ATM Bangkok Bank · Nong Pling 12 km [Map](https://www.openstreetmap.org/?mlat=17.18182&mlon=103.71990#map=17/17.18182/103.71990) Petrol pump ปตท. · Kut Bak 12 km [Map](https://www.openstreetmap.org/?mlat=17.10082&mlon=103.81332#map=17/17.10082/103.81332) Hotel ลุงกัลรีสอร์ท · Kut Bak 12 km [Map](https://www.openstreetmap.org/?mlat=17.10374&mlon=103.80911#map=17/17.10374/103.80911) Mall ตลาดสดนิคมน้ำอูน · Nong Pling 13 km [Map](https://www.openstreetmap.org/?mlat=17.18120&mlon=103.71920#map=17/17.18120/103.71920) School ร.ร.บ้านอูนโคก อำเภอนิคมน้ำอูน · Nong Bua 4.5 km [Map](https://www.openstreetmap.org/?mlat=17.16499&mlon=103.82996#map=17/17.16499/103.82996) College วิทยาลัยเทคโนโลยีภูมิภัทรบัณฑิต · Nong Pling 13 km [Map](https://www.openstreetmap.org/?mlat=17.18006&mlon=103.71844#map=17/17.18006/103.71844) Police station สถานีตำรวจภูธรนาใน จังหวัดสกลนคร · Na Nai 1.3 km [Map](https://www.openstreetmap.org/?mlat=17.20098&mlon=103.82340#map=17/17.20098/103.82340) 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 Nai Places mapped inside Na Nai in open map data, by type. - Hospitals4 - Restaurants2 - 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 Phanna Nikhom - Bahi - Chang Ming - Choeng Chum - Na Hua Bo - Phanna - Phok Noi - Rai - Sawang - Wang Yang ## Quick answers - Where is Na Nai?In Phanna Nikhom, Sakon Nakhon Province, Thailand - What borders Na Nai?Na Hua Bo, Na Mong, Nikhom Nam Un, Nong Bua, Nong Pling, Phang Khwang, Pla Lo, Rae, Rai and Waritchaphum - What is there to see in Na Nai?Rock Carvings, Phra That Phu Phek, Pricha Suksan Waterfall, Ajarn Fun Acharo Museum - What time zone is Na Nai in?UTC+7 - What currency is used in Na Nai?Baht (THB) - What language is spoken in Na Nai?Thai, English (main languages nationally) - How many villages are in Na Nai?9 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Na Nai?Settlements lie between 193 m and 203 m - How many reservoirs and tanks are in Na Nai?7 named in GeoNames - What is the highest point in Na Nai?Phu Hip (429 m, GeoNames elevation model) - What is the best time to visit Na Nai?October to March - Where is the nearest hospital to Na Nai?รพ.สต.บ้านหนองผือ, about 3.5 km from the centre - Where is the nearest bank to Na Nai?ธนาคารไทยพาณิชย์, about 13 km from the centre - Where is the nearest ATM to Na Nai?Bangkok Bank, about 12 km from the centre - Where is the nearest petrol pump to Na Nai?ปตท., about 12 km from the centre - How many hospitals are in Na Nai?4 mapped - What is the P-code of Na Nai?TH470407 (OCHA common operational dataset)