Geography[edit]
Neighboring districts are (from the south clockwise) Thung Tako, Lang Suan of Chumphon Province, La-un, Kra Buri of Ranong Province and Mueang Chumphon of Chumphon Province again. To the east is the Gulf of Thailand.
History[edit]
The districts goes back to the Mueang Sawi, located at shore of the Sawi river. On April 16 1897 a first district office was opened in village 5 of tambon Na Pho. After several relocations the present office in village 4 of tambon Sawi was opened on October 1 2001.
Administration[edit]
The district is subdivided into 11 subdistricts (tambon), which are further subdivided into 114 villages (muban). Na Pho is a township (thesaban tambon) which covers parts of the same-named tambon. There are further 10 Tambon administrative organizations