# Wan Yai, Mukdahan Province – Subdistricts, Population & Map > Source: https://wherepedia.org/thailand/mukdahan/wan-yai/ District · Mukdahan Province # Wan Yai Wan Yai is a district (amphoe) of Thailand in Mukdahan Province. It had an estimated **17,653 people** in 2023 on 110 km² (about 160 per km²). Its main town is Wan Yai. It is divided into 5 subdistricts. 30 named villages and localities are recorded here, and 41 mapped services such as hospitals, banks and schools. - 17,653people (2023) - 110km² - 5subdistricts - 41mapped services ## How many people live in Wan Yai? Wan Yai had an estimated **17,653 people** in 2023 — 4.9% of Mukdahan Province, 800th of 928 districts. There are 1,063 women for every 1,000 men (above the Mukdahan Province figure of 1,020). Spread over 110 km², that is about **160 people per km²**, 213th of 928 districts. 20.6% of people are children under 15 and 14.3% are 65 or older; the median age is about 43 years (it is 41 across Mukdahan Province). For every 100 people of working age (15–64) there are 54 children and older people. 0–4 ****1,114** 5–9 ****1,223** 10–14 ****1,297** 15–19 ****953** 20–24 ****543** 25–29 ****771** 30–34 ****899** 35–39 ****1,200** 40–44 ****1,326** 45–49 ****1,345** 50–54 ****1,608** 55–59 ****1,596** 60–64 ****1,252** 65–69 ****976** 70–74 ****647** 75–79 ****438** 80+ ****465** Source: [National Statistics Office of Thailand via OCHA HDX, population 2023 (COD-PS, CC BY-IGO)](https://data.humdata.org/dataset/cod-ps-tha). ## Where is Wan Yai? Wan Yai lies in [Mukdahan Province](https://wherepedia.org/thailand/mukdahan/), [Thailand](https://wherepedia.org/thailand/). It borders 2 other districts: [Mueang Mukdahan](https://wherepedia.org/thailand/mukdahan/mueang-mukdahan/) and [That Phanom](https://wherepedia.org/thailand/nakhon-phanom/that-phanom/). By area it is the 851st largest of 928 districts in Thailand. It covers 2.7% of [Mukdahan Province](https://wherepedia.org/thailand/mukdahan/). The centre of Wan Yai is about 561 km in a straight line from Bangkok, the capital. It is about 20 km from Mukdahan, the main town of Mukdahan Province. The centre point is at 16.7274° N, 104.7255° E. Local names: หว้านใหญ่ . Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha). ## Subdistricts of Wan Yai Subdistrict Area km² Localities Services [Bang Sai Noi](https://wherepedia.org/thailand/mukdahan/wan-yai/bang-sai-noi/) 23 8 8 [Chanot](https://wherepedia.org/thailand/mukdahan/wan-yai/chanot/) 16 4 2 [Dong Mu](https://wherepedia.org/thailand/mukdahan/wan-yai/dong-mu/) 12 1 1 [Pong Kham](https://wherepedia.org/thailand/mukdahan/wan-yai/pong-kham/) 30 11 12 [Wan Yai](https://wherepedia.org/thailand/mukdahan/wan-yai/wan-yai/) 30 7 18 Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha); [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/). ## Villages and localities in Wan Yai Open gazetteers list **30 villages, towns and localities** in Wan Yai. Settlements here lie between about 120 m and 188 m above sea level (median 150 m). - Ban Bang Sai Noi - Ban Chanot - Ban Dao Rueang - Ban Don - Ban Don Muang - Ban Kham Pom - Ban Khok Nam Sang - Ban Khok Sawat - Ban Na Di - Ban Na Kham Pom - Ban Na Mon - Ban Na Nong Bok - Ban Na Phaeng - Ban Nakae Noi - Ban Nikhom Kasettakam Thahan Phansuek - Ban Nong Phue - Ban Pa Kham Nuea - Ban Phaluka - Ban Phaluka Tai - Ban Pho Charoen - Ban Pong Kham - Ban Pong Kham Tai - Ban Sai Thong - Ban Som Sa-at - Ban Song Khon Nuea - Ban Song Khon Tai - Ban Suk Samran - Ban Wan Noi - Ban Wan Yai - Wan Yai 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 Wan Yai Named natural and historic features inside Wan Yai, from the GeoNames gazetteer. ### Water 9 rivers and streams; 3 reservoirs and tanks. - Ang Kep Nam Ban Nikhom Kasettakam Thahan Phansuek - Ang Kep Nam Huai Khu Din - Huai Chanot - Huai Kabao - Huai Kham Pa Lai - Huai Muk - Huai Na Yom - Huai Noi - Huai Sala - Huai Sam Kha - Huai Song Hong - Sa Nam Wat Pa Wiwek 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 Wan Yai and the best time to visit In Wan Yai, the warmest month is Apr (average 30 °C) and the coolest is Dec (22 °C). About 1,226 mm of rain falls in a year; the wettest month is Aug (259 mm) and the driest Jan (4 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 4 Feb 25 11 Mar 28 37 Apr 30 52 May 29 147 Jun 28 162 Jul 27 255 Aug 27 259 Sep 27 201 Oct 26 82 Nov 24 12 Dec 22 6 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Hospitals, banks and other services in Wan Yai Places mapped inside Wan Yai in open map data, by type — each number opens the full list with locations. - Hospitals13 - Banks1 - ATMs1 - Hotels3 - Schools5 - Restaurants17 - Police stations1 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. ## Quick answers - Where is Wan Yai?In Mukdahan Province, Thailand - What is the population of Wan Yai?17,653 (2023 estimate) - What is the median age in Wan Yai?About 43 years (2023 estimate) - What is the population density of Wan Yai?About 160 people per km² - What borders Wan Yai?Mueang Mukdahan and That Phanom - How many villages are in Wan Yai?30 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Wan Yai?Settlements lie between 120 m and 188 m - How many reservoirs and tanks are in Wan Yai?3 named in GeoNames - What is the best time to visit Wan Yai?October to February - How many hospitals are in Wan Yai?13 mapped - How many banks are in Wan Yai?1 mapped - How many ATMs are in Wan Yai?1 mapped - What is the P-code of Wan Yai?TH4906 (OCHA common operational dataset)