Cătălina commune is situated in the eastern part of Covasna county in the right part of the Black River – in the middle of the Three Chairs Basin.
The next town is Targu Secuiesc, situated at 4 km distance from the commune and at 40 km distance from Sfântu Gheorghe, the center of the county, and 17 km from Covasna.
- Historical monuments: Sinkovits Mansion- constructed in Empire style, Cserey Zathureczky Emilia Mansion, the Reformed Church Mărtineni from the XV. century, with ceiling paints from 1754
- The Historical Monument Barabas Miklos of the village Mărcuşa
- The Church of the village Hătuica, constructed in the XV. Century in Gothic style