Abstract
This study examined the factors affecting Iran's regional relations in the context of fighting ISIS. The research method was applied in terms of purpose, descriptive in terms of nature, and exploratory mixed in terms of variables. The qualitative data came from interviews with experts and officials who deal with foreign relations, Takfiri groups, and ISIS. They work in decision-making and research centers and were selected in 2022. The quantitative data came from a random sample of 335 people involved in foreign relations and regional Terrorism. The qualitative data were analyzed using thematic analysis with Max Kyuda 10 software, and the quantitative data were analyzed using structural equation modeling with Lisrel software. The results of the quantitative analysis confirmed the qualitative findings based on the structural equation model. The results showed that affecting factors have a 0.170 factor loading on the impact of ISIS on Iran's regional relations.