The Lepidopteran species of Artvin province were investigated. To collect specimens, a sweep net and light traps were used. The butterfly species that were captured in Artvin centrum (Kafkasor, Sacinka, Melodagi, Seyitler), Ardanuc (Kutul, Meseli, Fidanlik), Arhavi, Hatila National park, Hopa (Cankurtaran, Kemalpasa), Murgul, Savsat (Sahara, Karagol), Yusufeli (Barhal, Yaylalar, Altiparmak,
... [Show full abstract] Kilickaya). In the end of the study, a total of 192 species belonging to 15 families of the order Lepidoptera were identified. The family Lycaenidae was represented by the highest number of species (62) followed by Satryridae (27), Nymphalidae (25) and Hesperiidae (20). Most of the species found in this study were captured in Yusufeli.