# Siao Subdistrict, Benchalak, Si Sa Ket Province – Villages > Source: https://wherepedia.org/thailand/si-sa-ket/benchalak/siao/ Subdistrict · Benchalak # Siao Siao is a subdistrict (tambon) of Thailand in Benchalak, Si Sa Ket Province. It covers **55.8 km²**. 15 named villages and localities are recorded here, and 25 mapped services such as hospitals, banks and schools. - 55.8km² - 25mapped services - 146 mtypical elevation ## Where is Siao? Siao lies in [Benchalak](https://wherepedia.org/thailand/si-sa-ket/benchalak/), [Si Sa Ket Province](https://wherepedia.org/thailand/si-sa-ket/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other subdistricts: [Chan Yai](https://wherepedia.org/thailand/si-sa-ket/kantharalak/chan-yai/), [Nong Hang](https://wherepedia.org/thailand/si-sa-ket/benchalak/nong-hang/), [Nong Ngu Lueam](https://wherepedia.org/thailand/si-sa-ket/benchalak/nong-ngu-lueam/), [Nong Wa](https://wherepedia.org/thailand/si-sa-ket/benchalak/nong-wa/) and [Tha Khlo](https://wherepedia.org/thailand/si-sa-ket/benchalak/tha-khlo/). By area it is the 2945th largest of 7,425 subdistricts in Thailand. It covers 21.9% of [Benchalak](https://wherepedia.org/thailand/si-sa-ket/benchalak/). The centre of Siao is about 466 km in a straight line from Bangkok, the capital. The centre point is at 14.8028° N, 104.6926° E. Local names: เสียว . 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 Siao Open gazetteers list **15 villages, towns and localities** in Siao. Settlements here lie between about 143 m and 152 m above sea level (median 146 m). - Ban Daeng - Ban Lao Oi - Ban Non Alang - Ban Non Lai - Ban Non Wan Fai - Ban Non Yai - Ban Nong Khu - Ban Nong Loeng - Ban Nong Phue - Ban Nong Plasio - Ban Siao - Ban Siao Nuea - Ban Siao Tai - Benchalak - Siao 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 Siao Named natural and historic features inside Siao, from the GeoNames gazetteer. ### Water 1 river or stream. - Huai Phai 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 Siao and the best time to visit Using the climate of Benchalak, the warmest month is Apr (average 31 °C) and the coolest is Dec (24 °C). About 1,523 mm of rain falls in a year; the wettest month is Sep (301 mm) and the driest Jan (5 mm). The most comfortable months for a visit are **October to January**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 26 5 Feb 28 6 Mar 30 33 Apr 31 73 May 29 173 Jun 27 202 Jul 26 297 Aug 26 299 Sep 26 301 Oct 26 108 Nov 25 21 Dec 24 7 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Siao Need Nearest mapped Distance Hospital คลินิกการพยาบาลและผดุงครรภ์พัชรินทร์ · Siao 2.2 km [Map](https://www.openstreetmap.org/?mlat=14.79743&mlon=104.67263#map=17/14.79743/104.67263) Bank ธนาคารเพื่อการเกษตรและสหกรณ์ฯ · Siao 2.5 km [Map](https://www.openstreetmap.org/?mlat=14.79375&mlon=104.67168#map=17/14.79375/104.67168) ATM วิทยาลัยเทคนิคกันทรลักษ์ · Chan Yai 6.6 km [Map](https://www.openstreetmap.org/?mlat=14.75409&mlon=104.65803#map=17/14.75409/104.65803) Petrol pump ปตท. · Siao 2.5 km [Map](https://www.openstreetmap.org/?mlat=14.79209&mlon=104.67171#map=17/14.79209/104.67171) Hotel Benchalak Resort เบญจลักษ์ รีสอร์ท · Siao 2.4 km [Map](https://www.openstreetmap.org/?mlat=14.82076&mlon=104.67950#map=17/14.82076/104.67950) Mall ร้านอยู่เจริญเสาปูนสาขา 1 · Siao 1.8 km [Map](https://www.openstreetmap.org/?mlat=14.80740&mlon=104.67665#map=17/14.80740/104.67665) School โรงเรียนบ้านแดง · Siao 2.3 km [Map](https://www.openstreetmap.org/?mlat=14.81539&mlon=104.70905#map=17/14.81539/104.70905) College แผนกการโรงแรม วิทยาลัยเทคนิคกันทรลักษ์ · Chan Yai 6.4 km [Map](https://www.openstreetmap.org/?mlat=14.75477&mlon=104.65900#map=17/14.75477/104.65900) Police station สถานีตำรวจภูธรเบญจลักษ์ · Siao 2.8 km [Map](https://www.openstreetmap.org/?mlat=14.79561&mlon=104.66723#map=17/14.79561/104.66723) 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 Siao Places mapped inside Siao in open map data, by type. - Hospitals5 - Banks2 - Petrol pumps2 - Hotels3 - Shopping malls1 - Schools2 - Restaurants9 - 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. ## Other subdistricts in Benchalak - Nong Hang - Nong Ngu Lueam - Nong Wa - Tha Khlo ## Quick answers - Where is Siao?In Benchalak, Si Sa Ket Province, Thailand - What borders Siao?Chan Yai, Nong Hang, Nong Ngu Lueam, Nong Wa and Tha Khlo - How many villages are in Siao?15 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Siao?Settlements lie between 143 m and 152 m - What is the best time to visit Siao?October to January - Where is the nearest hospital to Siao?คลินิกการพยาบาลและผดุงครรภ์พัชรินทร์, about 2.2 km from the centre - Where is the nearest bank to Siao?ธนาคารเพื่อการเกษตรและสหกรณ์ฯ, about 2.5 km from the centre - Where is the nearest ATM to Siao?วิทยาลัยเทคนิคกันทรลักษ์, about 6.6 km from the centre - Where is the nearest petrol pump to Siao?ปตท., about 2.5 km from the centre - How many hospitals are in Siao?5 mapped - How many banks are in Siao?2 mapped - How many petrol pumps are in Siao?2 mapped - What is the P-code of Siao?TH331901 (OCHA common operational dataset)