# Phak Hai, Phra Nakhon Si Ayutthaya Province – Subdistricts > Source: https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/ District · Phra Nakhon Si Ayutthaya Province # Phak Hai Phak Hai is a district (amphoe) of Thailand in Phra Nakhon Si Ayutthaya Province. It had an estimated **18,814 people** in 2023 on 179 km² (about 105 per km²). Its main town is Phak Hai. It is divided into 16 subdistricts. 81 named villages and localities are recorded here, and 96 mapped services such as hospitals, banks and schools. - 18,814people (2023) - 179km² - 16subdistricts - 96mapped services ## How many people live in Phak Hai? Phak Hai had an estimated **18,814 people** in 2023 — 1.8% of Phra Nakhon Si Ayutthaya Province, 782nd of 928 districts. There are 1,162 women for every 1,000 men (above the Phra Nakhon Si Ayutthaya Province figure of 1,072). Spread over 179 km², that is about **105 people per km²**, 340th of 928 districts. 15.6% of people are children under 15 and 24.5% are 65 or older; the median age is about 49 years (it is 39 across Phra Nakhon Si Ayutthaya Province). For every 100 people of working age (15–64) there are 67 children and older people. 0–4 ****901** 5–9 ****967** 10–14 ****1,061** 15–19 ****839** 20–24 ****706** 25–29 ****797** 30–34 ****919** 35–39 ****908** 40–44 ****1,149** 45–49 ****1,382** 50–54 ****1,405** 55–59 ****1,598** 60–64 ****1,579** 65–69 ****1,505** 70–74 ****1,293** 75–79 ****856** 80+ ****949** 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 Phak Hai? Phak Hai lies in [Phra Nakhon Si Ayutthaya Province](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/), [Thailand](https://wherepedia.org/thailand/). It borders 7 other districts: [Bang Ban](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/bang-ban/), [Bang Pla Ma](https://wherepedia.org/thailand/suphan-buri/bang-pla-ma/), [Bang Sai](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/bang-sai-th1413/), [Mueang Suphan Buri](https://wherepedia.org/thailand/suphan-buri/mueang-suphan-buri/), [Pa Mok](https://wherepedia.org/thailand/ang-thong/pa-mok/), [Sena](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/sena/) and [Wiset Chai Chan](https://wherepedia.org/thailand/ang-thong/wiset-chai-chan/). By area it is the 770th largest of 928 districts in Thailand. It covers 7.0% of [Phra Nakhon Si Ayutthaya Province](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/). The centre of Phak Hai is about 80 km in a straight line from Bangkok, the capital. It is about 29 km from Phra Nakhon Si Ayutthaya, the main town of Phra Nakhon Si Ayutthaya Province. The centre point is at 14.4536° N, 100.3330° E. Local names: ผักไห่ . Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha). ## Know before you go: Phak Hai - 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) · Bangkok67 km - Suvarnabhumi Airport (BKK) · Bangkok97 km ### Nearest railway station Malai Maen (Rua Yai), about 25 km from the centre. ### Daylight Days are longest in Jun (about 13.0 hours, sunrise around 05:49) and shortest in Dec (about 11.3 hours, sunrise around 06:35, sunset around 17:52). 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. ## Subdistricts of Phak Hai Subdistrict Area km² Localities Services [Ammarit](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/ammarit/) 6.0 6 15 [Ban Khae](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/ban-khae/) 5.5 1 4 [Ban Yai](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/ban-yai/) 2.9 3 2 [Chakkarat](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/chakkarat/) 15 4 1 [Don Lan](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/don-lan/) 19 5 3 [Khok Chang](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/khok-chang/) 5.3 1 4 [Kudi](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/kudi/) 14 10 1 [Lam Takhian](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/lam-takhian/) 16 4 1 [Lat Chit](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/lat-chit/) 14 4 0 [Lat Nam Khem](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/lat-nam-khem/) 4.6 1 2 [Na Khok](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/na-khok/) 8.6 7 3 [Na Khu](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/na-khu/) 25 12 4 [Nong Nam Yai](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/nong-nam-yai/) 18 8 13 [Phak Hai](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/phak-hai/) 12 5 25 [Ta Lan](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/ta-lan/) 6.0 8 17 [Tha Din Daeng](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/phak-hai/tha-din-daeng/) 7.8 7 1 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 Phak Hai Open gazetteers list **81 villages, towns and localities** in Phak Hai. The largest with a recorded population: Phak Hai (19,386). Settlements here lie between about 5 m and 13 m above sea level (median 8 m). - Ban Amarit - Ban Bang Bua - Ban Bang Na Mai - Ban Chek - Ban Don Lan - Ban Dong Tan - Ban Hua Hat - Ban Hua Wat Yang Ang Thong - Ban Huai Chorakhe Nuea - Ban Huai Chorakhe Tai - Ban Huai Mu - Ban Huai Ri - Ban Huai Takhe Nuea - Ban Huai Takhe Tai - Ban Khae - Ban Khlong Bang Khi - Ban Khlong Bang Kung - Ban Khlong Khut - Ban Khok Chang - Ban Khu Khlong - Ban Khu Lang - Ban Khu Nuea - Ban Ko Nok - Ban Kudi - Ban Lam Mae Lek - Ban Lam Rang Ta Dam - Ban Lam Takhian - Ban Lao - Ban Lat Bon - Ban Lat Chado - Ban Lat Chit (1) - Ban Lat Nam Khem - Ban Lat Pladuk - Ban Lat Thai - Ban Mon Thong - Ban Mu Sakae - Ban Mu Sut - Ban Na Khok - Ban Na Khu - Ban Na Khu Bon - Ban Na Khu Huea - Ban Na Khu Lang - Ban Na Mai - Ban Nam Klang - Ban Nam Plaeng - Ban Nang Nai - Ban Nong Khayaeng - Ban Nong Khwai - Ban Nong Mu - Ban Nong Nam Yai - Ban Nong Sado - Ban Nong Takhian - Ban Nong Ya Plong - Ban Nuea Wat - Ban O - Ban Om Phasom - Ban Pak Khlong - Ban Pak Khlong Kudi - Ban Pak Khlong Pho - Ban Phak Hai - Ban Rang Yai Suk - Ban Rong Na - Ban Rue Chai - Ban Samnuan - Ban Ta Lan - Ban Ta Lan Nuea - Ban Ta Mon - Ban Tai - Ban Tat Trong - Ban Tha Din Daeng - Ban Thai Ban - Ban Thai Wat - Ban Thai Wat Pho - Ban Thong Wua - Ban Ton Khlong - Ban Trok San - Ban Tuek - Ban Yai - Ban Yuan - Lat Chado - Phak Hai 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 Phak Hai Named natural and historic features inside Phak Hai, from the GeoNames gazetteer. ### Water 5 rivers and streams; 1 lake. - Khlong Bang Pla Kot - Khlong Lat Chado - Khlong Talan - Lam Rang Nong Chado - Lam Rang Yai Suk - Nong Bua 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 Phak Hai and the best time to visit In Phak Hai, the warmest month is Apr (average 31 °C) and the coolest is Dec (25 °C). About 1,291 mm of rain falls in a year; the wettest month is Sep (277 mm) and the driest Dec (9 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 12 Feb 29 11 Mar 31 44 Apr 31 73 May 30 155 Jun 28 156 Jul 28 161 Aug 27 179 Sep 27 277 Oct 27 181 Nov 26 32 Dec 25 9 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Hospitals, banks and other services in Phak Hai Places mapped inside Phak Hai in open map data, by type — each number opens the full list with locations. - Hospitals11 - Banks5 - Petrol pumps8 - Hotels3 - Schools10 - Colleges and universities1 - Restaurants55 - Police stations3 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 Phak Hai?In Phra Nakhon Si Ayutthaya Province, Thailand - What is the population of Phak Hai?18,814 (2023 estimate) - What is the median age in Phak Hai?About 49 years (2023 estimate) - What is the population density of Phak Hai?About 105 people per km² - What borders Phak Hai?Bang Ban, Bang Pla Ma, Bang Sai, Mueang Suphan Buri, Pa Mok, Sena and Wiset Chai Chan - What time zone is Phak Hai in?UTC+7 - What currency is used in Phak Hai?Baht (THB) - What language is spoken in Phak Hai?Thai, English (main languages nationally) - How many villages are in Phak Hai?81 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Phak Hai?Settlements lie between 5 m and 13 m - What is the best time to visit Phak Hai?November to January - How many hospitals are in Phak Hai?11 mapped - How many banks are in Phak Hai?5 mapped - How many petrol pumps are in Phak Hai?8 mapped - What is the P-code of Phak Hai?TH1408 (OCHA common operational dataset)