Sop Prap District
Neighboring districts are (from the south clockwise): Amphoe Thoen the, OEM Ngam, Ko Kha, Mae Tha of Lampang Province and Wang Chin Phrae province.
The Doi Chong National Park ( Thai: อุทยานแห่งชาติ ดอย จง ) lies partly in the county. The park runs through the Amphoe Thoen and Mae phrik across to Li County Lamphun Province. On the eastern side are parts of Wiang Kosai National Park - ( Thai: อุทยานแห่งชาติ เวียง โก ศั ย ) in the district Sop Prap. The park stretches further back on the Amphoe Long and Wang Chin Phrae province.
The circle was on 28 December 1917, a sub-district ( King Amphoe ) of Koh Kha downgraded. At this time consisted Sop Prap from the three Tambon Sop Prap, Samai and Mae Kua. On January 1, 1953 Sop Prap received the full Amphoe status.
The name comes from the river Sop Prap Prap, which flows into the river Wang ( Sop means " diversion "). The name is also in memory of the former residents of the area who were able to successfully defend against Burmese troops until they retired.
The circle is divided into four subdistricts (tambon ), which are divided further into 35 villages ( Muban ).
Sop Prap is also the name of a small town ( thesaban tambon) in the district. It consists of parts of the tambon same name.
There are also four " Tambon Administrative Organizations" (TAO, องค์การ บริหาร ส่วน ตำบล - administrative organizations) in the district.