The suffix -sthan (nep.) means place or location. My idea is that each Place (Area) in the City should be represented by at least one picture of a Temple, a Shrine, a Chaitya and Sculptures.
Foto in http://sajha.com/sajha/html/index.cfm?threadid=62176
Foto in Carl Pruscha, Kathmandu Valley, Vol. 2, 1st ed., Wien 1975
National Geographic Information Infrastructure Programme, Index of Geographical Names of Nepal, ngiip.gov.np/data-center/
