# Sai Yai Subdistrict, Sai Noi, Nonthaburi Province – Villages > Source: https://wherepedia.org/thailand/nonthaburi/sai-noi/sai-yai/ Subdistrict · Sai Noi # Sai Yai Sai Yai is a subdistrict (tambon) of Thailand in Sai Noi, Nonthaburi Province. It covers **37.9 km²**. 16 named villages and localities are recorded here, and 36 mapped services such as hospitals, banks and schools. - 37.9km² - 36mapped services - 5 mtypical elevation ## Where is Sai Yai? Sai Yai lies in [Sai Noi](https://wherepedia.org/thailand/nonthaburi/sai-noi/), [Nonthaburi Province](https://wherepedia.org/thailand/nonthaburi/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other subdistricts: [Bang Phasi](https://wherepedia.org/thailand/nakhon-pathom/bang-len/bang-phasi/), [Khun Si](https://wherepedia.org/thailand/nonthaburi/sai-noi/khun-si/), [Nin Phet](https://wherepedia.org/thailand/nakhon-pathom/bang-len/nin-phet/), [Rat Niyom](https://wherepedia.org/thailand/nonthaburi/sai-noi/rat-niyom/), [Sai Ngam](https://wherepedia.org/thailand/nakhon-pathom/bang-len/sai-ngam/) and [Sam Mueang](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/lat-bua-luang/sam-mueang/). By area it is the 4319th largest of 7,425 subdistricts in Thailand. It covers 19.0% of [Sai Noi](https://wherepedia.org/thailand/nonthaburi/sai-noi/). The centre of Sai Yai is about 43 km in a straight line from Bangkok, the capital. It is about 12 km from Sai Noi, the main town of Sai Noi. The centre point is at 14.0892° N, 100.2943° E. Local names: ไทรใหญ่ . 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 Sai Yai Open gazetteers list **16 villages, towns and localities** in Sai Yai. Settlements here lie between about 3 m and 8 m above sea level (median 5 m). - Ban Bang O - Ban Chao Fueang - Ban Khlong Khun Si - Ban Khlong Mom Chaem - Ban Khlong Nueng - Ban Khlong Song - Ban Khlong Song Lang - Ban Krathum Muet - Ban Mai - Ban Ming Khwan - Ban Mom Chaem - Ban Pak Bueng - Ban Pak Khlong Mom Chaem - Ban Plai Khlong Khun Si - Ban Sai Yai - Ban Sam Mueang 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 Sai Yai Named natural and historic features inside Sai Yai, from the GeoNames gazetteer. ### Water 1 river or stream. - Khlong Trong 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 Sai Yai and the best time to visit Using the climate of Sai Noi, the warmest month is Apr (average 31 °C) and the coolest is Dec (25 °C). About 1,195 mm of rain falls in a year; the wettest month is Sep (235 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 15 Feb 29 11 Mar 30 45 Apr 31 65 May 30 148 Jun 29 134 Jul 28 138 Aug 28 138 Sep 27 235 Oct 27 212 Nov 26 46 Dec 25 9 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Sai Yai Need Nearest mapped Distance Hospital ไทรใหญ่คลีนิคการพยาบาลและผดุงครรภ์ · Sai Yai 2.0 km [Map](https://www.openstreetmap.org/?mlat=14.10548&mlon=100.30213#map=17/14.10548/100.30213) Bank ธนาคารกรุงเทพ สาขาถนนบางบัวทอง-สุพรรณบุรี กม.45 · Sai Yai 1.5 km [Map](https://www.openstreetmap.org/?mlat=14.08767&mlon=100.30794#map=17/14.08767/100.30794) ATM Government Savings Bank · Bo Ngoen 11 km [Map](https://www.openstreetmap.org/?mlat=14.11013&mlon=100.39691#map=17/14.11013/100.39691) Petrol pump PTT · Sai Yai 1.5 km [Map](https://www.openstreetmap.org/?mlat=14.08750&mlon=100.30834#map=17/14.08750/100.30834) Hotel ม้วนรีสอร์ท อ.เมือง จ.สุพรรณบุรี · Sai Yai 3.8 km [Map](https://www.openstreetmap.org/?mlat=14.12267&mlon=100.28939#map=17/14.12267/100.28939) Mall ตลาดน้ำทุ่งบัวแดง ณ บางเลน · Khlong Khwang 7.3 km [Map](https://www.openstreetmap.org/?mlat=14.02587&mlon=100.31187#map=17/14.02587/100.31187) School โรงเรียนบ้านราฎร์นิยม (จอประยูรอุปถัมภ์) · Rat Niyom 3.7 km [Map](https://www.openstreetmap.org/?mlat=14.06744&mlon=100.32022#map=17/14.06744/100.32022) College วิทยาลัยเทคโนโลยีกรุงธน ศูนย์การเรียนไทรใหญ่ · Sai Yai 1.4 km [Map](https://www.openstreetmap.org/?mlat=14.08608&mlon=100.30725#map=17/14.08608/100.30725) Police station หน่วยบริการประชาชนตำรวจทางหลวงนพวงศ์ · Na Mai 7.4 km [Map](https://www.openstreetmap.org/?mlat=14.04248&mlon=100.34318#map=17/14.04248/100.34318) 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 Sai Yai Places mapped inside Sai Yai in open map data, by type. - Hospitals3 - Banks3 - Petrol pumps7 - Hotels4 - Schools1 - Colleges and universities2 - Pharmacies1 - Restaurants15 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 Sai Noi - Khlong Khwang - Khun Si - Nong Phrao Ngai - Rat Niyom - Sai Noi - Thawi Watthana ## Quick answers - Where is Sai Yai?In Sai Noi, Nonthaburi Province, Thailand - What borders Sai Yai?Bang Phasi, Khun Si, Nin Phet, Rat Niyom, Sai Ngam and Sam Mueang - How many villages are in Sai Yai?16 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Sai Yai?Settlements lie between 3 m and 8 m - What is the best time to visit Sai Yai?November to January - Where is the nearest hospital to Sai Yai?ไทรใหญ่คลีนิคการพยาบาลและผดุงครรภ์, about 2.0 km from the centre - Where is the nearest bank to Sai Yai?ธนาคารกรุงเทพ สาขาถนนบางบัวทอง-สุพรรณบุรี กม.45, about 1.5 km from the centre - Where is the nearest ATM to Sai Yai?Government Savings Bank, about 11 km from the centre - Where is the nearest petrol pump to Sai Yai?PTT, about 1.5 km from the centre - How many hospitals are in Sai Yai?3 mapped - How many banks are in Sai Yai?3 mapped - How many petrol pumps are in Sai Yai?7 mapped - What is the P-code of Sai Yai?TH120504 (OCHA common operational dataset)