Gaun as an ending of a name (also written as -gau or - gaon) means a Village (Settlement). My idea is that each Settlement in the Valley should be represented by at least one picture of a Temple, a Shrine, a Chaitya and Sculptures.
Foto by EU-Team in http://www.everestuncensored.org/hiking-from-surya-binayak-to-lamatar-via-ghyampe-dada-2/
Foto by kabiraj in https://kabiraj.wordpress.com/page/2/
National Geographic Information Infrastructure Programme, Index of Geographical Names of Nepal, ngiip.gov.np/data-center/