This study is the first part of the faunistic, and systematic research conducted in 2013-2018 to determine the Crabronidae species in Kelkit Valley, and the subfamilies Astatinae and Dinaetinae were evaluated in this part. In this study, 10 species and one subspecies of Astata and two species and one subspecies of Dryudella belong to the subfamily Astatinae and one species of Dinetus belongs to the subfamily Dinetinae have been recorded. Most of the identified species were recorded for the first time from Kelkit Valley. In addition, data on the seasonal and vertical distributions of the identified species are also presented. Distribution of species in the research area, Türkiye, and the world is included.