Bantey Meanchey,Battambang Province,Kampong Chhnang Province,Kampong Speu Province,Kampot Province,Koh Kong Province,Oddar Meanchey Province,Pailin Province,Preah Vihear Province,Pursat Province,Sihanoukville Province

China:

Yunnan

Laos:

Bokeo Province,Bolikhamsai Province,Champasak Province,Houaphanh,Luang Namtha,Luang Prabang Province,Phongsaly Province,Sainyabuli Province,Udomsai,Vientiane Prefecture,Vientiane Province,Xaisomboun Province,Xiangkhouang Province

Myanmar:

Bago Region,Kachin State,Kayah State,Kayin State,Mandalay Region,Mon State,Naypyitaw Union Territory,Shan State,Wa State Southern region,Yangon Region

Thailand:

Buri Ram Province,Chachoengsao Province,Chaiyaphum Province,Chanthaburi Province,Chiang Mai Province,Chiang Rai Province,Chon Buri Province,Kalasin Province,Kamphaeng Phet Province,Kanchanaburi Province,Khon Kaen Province,Lampang Province,Lamphun Province,Loei province,Lopburi,Mae Hong Son Province,Mukdahan Province,Nakhon Nayok Province,Nakhon Phanom Province,Nakhon Ratchasima Province,Nakhon Sawan Province,Nan Province,Nong Bua Lamphu,Nong Khai Province,Phayao Province,Phetchabun Province,Phitsanulok Province,Phrae Province,Prachin Buri Province,Rayong Province,Sa Kaeo Province,Sakon Nakhon Province,Saraburi Province,Si Sa Ket Province,Sukhothai Province,Suphan Buri Province,Surin Province,Tak Province,Trat Province,Ubon Ratchathani Province,Udon Thani Province,Uthai Thani Province,Uttaradit Province

Vietnam:

An Giang Province,Dien Bien,Hanoi,Hòa Bình Province,Kiên Giang Province,Lai Chau,Lao Cai,Nghe An,Ninh Binh Province,Phú Thọ Province,Son La,Thanh Hoa Province,Yen Bai province

Characteristics

Area

548,056.29 km²

Area Location1 area

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