[html]<p><strong>Phon Phisai</strong> (Thai: <span xml:lang="th" lang="th">โพนพิสัย</span>) is a district (<em>Amphur</em>) of Nong Khai Province, northeastern Thailand.</p>
<h2><span id="History">History</span></h2>
<p>The district was originally part of <em>Mueang</em> Phon Phaeng, now part of Rattanawapi district. In 1906 it was established as a district.</p>
<h2><span id="Geography">Geography</span></h2>
<p>Neighboring districts are (from the east clockwise) Rattanawapi and Fao Rai of Nong Khai Province, Ban Dung, Sang Khom and Phen of Udon Thani Province, and Mueang Nong Khai of Nong Khai again. To the north across the Mekong river are the Laotian Vientiane prefecture and Bolikhamxai province.</p>
<h2><span id="Administration">Administration</span></h2>
<p>The district is subdivided into 11 subdistricts (<em>tambon</em>), which are further subdivided into 151 villages (<em>muban</em>). Chumphon is a subdistrict municipality (<em>thesaban tambon</em>) which covers parts of <em>tambon</em> Chumphon. There are further 11 Tambon administrative organizations (TAO).</p>
<table>
<tbody>
<tr>
<th>No.</th>
<th>Name</th>
<th>Thai</th>
<th>Villages</th>
<th>Inh.</th>
</tr>
<tr>
<td>01.</td>
<td>Chumphon</td>
<td>จุมพล</td>
<td>24</td>
<td>19,738</td>
</tr>
<tr>
<td>02.</td>
<td>Wat Luang</td>
<td>วัดหลวง</td>
<td>16</td>
<td>09,200</td>
</tr>
<tr>
<td>03.</td>
<td>Kut Bong</td>
<td>กุดบง</td>
<td>14</td>
<td>08,681</td>
</tr>
<tr>
<td>04.</td>
<td>Chum Chang</td>
<td>ชุมช้าง</td>
<td>19</td>
<td>09,498</td>
</tr>
<tr>
<td>06.</td>
<td>Thung Luang</td>
<td>ทุ่งหลวง</td>
<td>12</td>
<td>05,172</td>
</tr>
<tr>
<td>07.</td>
<td>Lao Tang Kham</td>
<td>เหล่าต่างคำ</td>
<td>13</td>
<td>06,376</td>
</tr>
<tr>
<td>08.</td>
<td>Na Nang</td>
<td>นาหนัง</td>
<td>16</td>
<td>11,129</td>
</tr>
<tr>
<td>09.</td>
<td>Soem</td>
<td>เซิม</td>
<td>10</td>
<td>07,426</td>
</tr>
<tr>
<td>13.</td>
<td>Ban Pho</td>
<td>บ้านโพธิ์</td>
<td>12</td>
<td>10,281</td>
</tr>
<tr>
<td>21.</td>
<td>Ban Phue</td>
<td>บ้านผือ</td>
<td>07</td>
<td>05,440</td>
</tr>
<tr>
<td>22.</td>
<td>Sang Nang Khao</td>
<td>สร้างนางขาว</td>
<td>08</td>
<td>03,639</td>
</tr>
</tbody>
</table>
<p>Missing numbers are <em>tambon</em> which now form the districts Fao Rai and Rattanawapi.</p>[/html]

Phon Phisai is now famous for it's annual fireball festival, commonly known as the Bang Fai Phayanak, held every year in October.