# Ko Yai Subdistrict, Krasae Sin, Songkhla Province – Villages > Source: https://wherepedia.org/thailand/songkhla/krasae-sin/ko-yai/ Subdistrict · Krasae Sin # Ko Yai Ko Yai is a subdistrict (tambon) of Thailand in Krasae Sin, Songkhla Province. It covers **138.4 km²**. 20 named villages and localities are recorded here, and 12 mapped services such as hospitals, banks and schools. - 138km² - 12mapped services - 12 mtypical elevation ## Where is Ko Yai? Ko Yai lies in [Krasae Sin](https://wherepedia.org/thailand/songkhla/krasae-sin/), [Songkhla Province](https://wherepedia.org/thailand/songkhla/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other subdistricts: [Choeng Sae](https://wherepedia.org/thailand/songkhla/krasae-sin/choeng-sae/), [Chong Thanon](https://wherepedia.org/thailand/phatthalung/khao-chaison/chong-thanon/), [Han Pho](https://wherepedia.org/thailand/phatthalung/khao-chaison/han-pho/), [Ko Mak](https://wherepedia.org/thailand/phatthalung/pak-phayun/ko-mak/), [Krasae Sin](https://wherepedia.org/thailand/songkhla/krasae-sin/krasae-sin/) and [Lampam](https://wherepedia.org/thailand/phatthalung/mueang-phatthalung/lampam/). By area it is the 753rd largest of 7,425 subdistricts in Thailand. It covers 44.5% of [Krasae Sin](https://wherepedia.org/thailand/songkhla/krasae-sin/). The centre of Ko Yai is about 689 km in a straight line from Bangkok, the capital. It is about 7.2 km from Krasae Sin, the main town of Krasae Sin. The centre point is at 7.5608° N, 100.2932° E. Local names: เกาะใหญ่ . 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 Ko Yai Open gazetteers list **20 villages, towns and localities** in Ko Yai. Settlements here lie between about 0 m and 37 m above sea level (median 12 m). - Ban Ao Bua - Ban Bo Rian - Ban Choeng Sae - Ban Ko Yai - Ban Laem Bo Tho - Ban Laem Chan - Ban Laem Chao - Ban Laem Hat - Ban Laem Khu La - Ban Laem Khwai Rap - Ban Laem Tao Pun - Ban Laem Yang - Ban Muang Mu - Ban Prak Kok - Ban Rai - Ban Suan Farang - Ban Tanot Duan - Ban Yang Thong - Ban Yun - บ้านแหลมคูลา 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 Ko Yai Named natural and historic features inside Ko Yai, from the GeoNames gazetteer. ### Water 1 reservoir or tank. - Ang Kep Nam Laem Hat ### Coast and islands 9 headlands; 1 island; 1 bay. - Ao Thong Bua - Ko Kaeo - Laem Bo Tho - Laem Chao - Laem Chao - Laem Hat - Laem Khu La - Laem Khwai Ran - Laem Kruat - Laem Tao Pun - Laem Yang ### Hills and mountains 4 hills; 1 mountain. - Khao Ko Yai · 154 m - Khao Khwang · 134 m - Khao Tanot · 103 m - Khao Laem Khwai Ran · 90 m - Khao Nai 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 Ko Yai and the best time to visit Using the climate of Krasae Sin, the warmest month is Apr (average 28 °C) and the coolest is Jan (26 °C). About 2,195 mm of rain falls in a year; the wettest month is Nov (336 mm) and the driest Feb (29 mm). The most comfortable months for a visit are **January to March**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 26 115 Feb 26 29 Mar 27 98 Apr 28 124 May 28 179 Jun 27 176 Jul 27 192 Aug 26 199 Sep 26 223 Oct 26 272 Nov 26 336 Dec 26 253 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Ko Yai Need Nearest mapped Distance Hospital รพสต.กระแสสินธุ์ · Krasae Sin 2.7 km [Map](https://www.openstreetmap.org/?mlat=7.58078&mlon=100.30633#map=17/7.58078/100.30633) Bank ธกส.สาขากระแสสินธุ์ · Krasae Sin 7.3 km [Map](https://www.openstreetmap.org/?mlat=7.61713&mlon=100.32747#map=17/7.61713/100.32747) ATM ADM ธนาคารกรุงไทย สาขาปากพะยูน (adm) · Pak Phayun 24 km [Map](https://www.openstreetmap.org/?mlat=7.35088&mlon=100.32154#map=17/7.35088/100.32154) Petrol pump เกาะใหญ่รุ่งเรือง · Ko Yai 1.5 km [Map](https://www.openstreetmap.org/?mlat=7.56746&mlon=100.30447#map=17/7.56746/100.30447) Hotel เเกรนเเคนยอนเกาะใหญ่ · Ko Yai 0.6 km [Map](https://www.openstreetmap.org/?mlat=7.56273&mlon=100.29848#map=17/7.56273/100.29848) Mall โลตัส เอ็กเพรสตลาดบางแก้ว · Tha Maduea 21 km [Map](https://www.openstreetmap.org/?mlat=7.42263&mlon=100.16824#map=17/7.42263/100.16824) School สนามกีฬาโรงเรียนวัดทุ่งบัว · Krasae Sin 2.4 km [Map](https://www.openstreetmap.org/?mlat=7.57954&mlon=100.30345#map=17/7.57954/100.30345) College วิทยาลัยชุมชนสงขลา ศูนย์สทิงพระ · Chathing Phra 19 km [Map](https://www.openstreetmap.org/?mlat=7.47807&mlon=100.44361#map=17/7.47807/100.44361) Police station สถานีตำรวจภูธรกระแสสินธุ์ · Krasae Sin 7.3 km [Map](https://www.openstreetmap.org/?mlat=7.61651&mlon=100.32822#map=17/7.61651/100.32822) 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 Ko Yai Places mapped inside Ko Yai in open map data, by type. - Petrol pumps1 - Hotels3 - Restaurants8 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 Krasae Sin - Choeng Sae - Krasae Sin - Rong ## Quick answers - Where is Ko Yai?In Krasae Sin, Songkhla Province, Thailand - What borders Ko Yai?Choeng Sae, Chong Thanon, Han Pho, Ko Mak, Krasae Sin and Lampam - How many villages are in Ko Yai?20 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Ko Yai?Settlements lie between 0 m and 37 m - How many reservoirs and tanks are in Ko Yai?1 named in GeoNames - What is the highest point in Ko Yai?Khao Ko Yai (154 m, GeoNames elevation model) - What is the best time to visit Ko Yai?January to March - Where is the nearest hospital to Ko Yai?รพสต.กระแสสินธุ์, about 2.7 km from the centre - Where is the nearest bank to Ko Yai?ธกส.สาขากระแสสินธุ์, about 7.3 km from the centre - Where is the nearest ATM to Ko Yai?ADM ธนาคารกรุงไทย สาขาปากพะยูน (adm), about 24 km from the centre - Where is the nearest petrol pump to Ko Yai?เกาะใหญ่รุ่งเรือง, about 1.5 km from the centre - How many petrol pumps are in Ko Yai?1 mapped - What is the P-code of Ko Yai?TH900801 (OCHA common operational dataset)