Sighnaghi Municipality is located in Eastern Georgia, in the Kakheti region. Its administrative center is the city of Sighnaghi. The municipality is bordered by Gurjaani Municipality and Sagarejo Municipality municipalities to the northwest and west, Dedoplistskaro Municipality to the southeast, Lagodekhi Municipality to the north and northeast, and the Republic of Azerbaijan. A large part of Sighnaghi municipality is occupied by the Iori Plateau. A small part of Gombori ridge also enters its territory. The highest mountain in the Gombori ridge within the municipality is Choporti (1087 m).

Sighnaghi lacks a hydrographic network. There are mostly periodic rivers here. We must distinguish two rivers, the Alazani and the Iori. Thorn bushes are spread on Iori highland. In the southern part of the Iori Plateau, we find the bush saltwort, from which soda is extracted. There are floodplain forests along the banks of the river Iori: Tsnori, floodplain poplar, Ialghuni, etc. Oak and hornbeam are noteworthy in the forests of Gombori ridge. There are several types of climate in the territory of Sighnaghi municipality. The Iori plateau has a moderately humid steppe climate, with hot summers and cold winters. The Alazani plain has a moderately humid climate, where the winters are moderately cold and the summers are hot. The Gombori ridge has a moderately humid and moderately warm climate with cold winters and long warm summers. The average annual air temperature ranges from 11.1 °C to 12.6 °C.