The Municipality of Opan is situated in Southern Central Bulgaria and is a part of the area of Stara Zagora. To the east it has a boundary with Stara Zagora, to the east - with the municipalities of Radnevo and Galabovo, to the south – with the municipality of Simeonovgrad, and to the west – with the municipality of Dimitrovgrad. Its area is 25,750 ha and its population of 3 420 people live in 13 villages.
