The province borders with Laos, Chiang Rai, Phayao, Nan, Uttaradit, Phitsanulok province is 11 to Nong Khai, Nakhon Phanom Mukdahan, Amnat Charoen and Ubon Ratchathani.
Province, territory that is in contact with the Lao province of Chiang Rai, phayao is composed of 11 nan, uttaradit Mukdahan Nakhon phanom, Nong Khai at Phitsanulok amnat Charoen and Ubon Ratchathani.
Border Province, Lao PDR consists of contact with 11 provinces, Chiang Mai, Phayao, Uttaradit Province Phitsanulok, Nong Khai Mukdahan Nakhon Phanom in Amnat Charoen and Ubon Ratchathani