Nong Ya Sai district

Nong Ya Sai หนองหญ้าไซ
District
District location in Suphan Buri province
Coordinates: 14°46′30″N 99°54′40″E / 14.77500°N 99.91111°E / 14.77500; 99.91111
Country	Thailand
Province	Suphan Buri
Seat	Nong Ya Sai
Area
• Total	420.2 km2 (162.2 sq mi)
Population  (2013)
• Total	49,272
• Density	118.7/km2 (307/sq mi)
Time zone	UTC+7 (ICT)
Postal code	72240
Geocode	7210

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Nong Ya Sai (Thai: หนองหญ้าไซ, pronounced [nɔ̌ːŋ jâː sāj]) is a district (amphoe) in the western part of Suphan Buri province, central Thailand.