As of the unofficial vote count update on 8 Feb 2026, Chonburi and Chachoengsao remain hot zones in the eastern region for the 2026 election, featuring many "powerful local families and former champions" across multiple districts aiming to reclaim seats. Close attention is on districts with candidate changes and family ties. A key highlight is Sa Kaeo, where the influential Thienthong family tests their political strength.
Summary of the election candidate situation across various areas is as follows:
- Thitima Chaisang (District 1, Pheu Thai): The incumbent champion and local powerhouse since 2023, with a narrow lead in votes. It remains to be seen if the local stronghold can maintain the seat.
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- Attakorn Sirilattayakorn (District 2, Kla Tham): The incumbent, formerly of Palang Pracharath, switched parties aiming to reclaim the seat under Kla Tham. His key rival is Phanpong Asawachaisophon (Pheu Thai), running under the name Somchai Asawachaisophon, a former Pheu Thai MP.
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- Praewnapat Thongsuwan (District 4, Pracha Chart): Running as a representative for Jirat Thongsuwan, the previous election champion. This district sees fierce competition from notable opponents including Sergeant Major Yotsingh Liamleart (Kla Tham) and Lieutenant General Pitak Jarusombat (Pheu Thai).
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- Suchart Chomklin (District 1, Bhumjaithai): A major local power, he is contesting to reclaim the seat against Pracha Chart's Vorat Sirirak, with previous margins being narrow.
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- Wannida Nopsit (District 1, Pracha Chart): The previous champion aiming to win again in this election. It remains to be seen whether she can defend her seat.
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- Krit Cheewathammanon (District 6, Kla Tham): The previous champion from Pracha Chart now contests under Kla Tham. While the main competitor has changed, a notable challenger is Surasit Nithiwutiworak (Bhumjaithai).
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- Sahasawat Khumkhong (District 7, Pracha Chart): The incumbent champion from Pracha Chart faces significant competition from Songkran Phachana (Bhumjaithai), former deputy mayor of Chao Phraya Surasak Municipality.
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- Sathira Phueakprapan (District 10, Kla Tham): The former Palang Pracharath champion hopes to retain the seat, challenged notably by Akaraset Raksakulsongsee (Pheu Thai), former deputy head of the Subdistrict Administrative Organization.
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- Prachayawan Chaisueb (District 2, Pracha Chart): The previous champion aims to win again but faces challenges from other local politicians.
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- Panset Numnu (District 1, Pracha Chart): Running in place of Sakdinee Numnu, his father and the previous champion of Pracha Chart. A notable rival is Phichanont Ingprasarn (Bhumjaithai), former "Kamnan Pom" of Bo Ploi Subdistrict, Bo Rai District.
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- Amnat Wilawan (District 1, Bhumjaithai): The incumbent and major local figure from the previous election. It remains to be seen if he can secure another term.
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- Trinuch Thienthong (District 2, Palang Pracharath): Representative of the prominent Thienthong family of Sa Kaeo, former champions and local powerhouses. She is the sole prime ministerial candidate from her party this election.
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- Sruang Thienthong (District 3, Pheu Thai): Also from the influential Thienthong family in Sa Kaeo, a former champion and local powerhouse seeking another term in this election.
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