Other villages in Bykle municipality include Berdalen, Bjåen, Breive, Hoslemo, Hovden, and Nordbygdi.

[7] The municipality (originally the parish) is named after the old Byklum farm (Old Norse: Byklar) since the first Bykle Church was built there.

The official blazon is "Vert, goutte d'eau" (Norwegian: Grøn grunn strødd med sølv dropar).

This means the arms have a green field (background) and the charge is droplets of water that are equally spaced all over the shield.

The water droplets have a tincture of argent which means they are commonly colored white, but if it is made out of metal, then silver is used.

There are many lakes that are located within the mountainous municipality including Blåsjø, Botsvatn, Hartevatnet, Holmavatnet, Ormsavatnet, Reinevatn, Skyvatn, Store Urevatn, Svartevatnet, and Vatndalsvatnet, and Ytre Storevatnet.

The eastern side of the valley (and the municipal/county border) is lined by the mountains Gråsteinsnosi, Brandsnutene, Svolhusgreini, Sæbyggjenuten, and Støylsdalsnutene.

The mountains Urevassnutene, Djuptjønnuten, Snjoheinuten, and Kvervetjønnuten mark the highlands in the southwestern part of the municipality, northwest of the village of Bykle.

Due to a law implemented for 50 years ago by the Labour Party, the obligation of politicians' residence in this municipality is required.

The mayors (Norwegian: ordfører) of Bykle (incomplete list): At Storhedder, north of the lake Storheddervatnet near the mountain Storheddernuten, there are prehistoric runic inscriptions dating over 1000 years old.

One byproduct of the numerous Dutch visits in the 1560s was the discovery that the natives had no natural resistance to syphilis; a state physician had to be dispatched there to stem the disease.