Terziisko is a village in Southeast Bulgaria. It is situated in Sungurlare municipality, Burgas region.
In Bulgaria there is one other settlement that carries the same name and it is situated in Troyan municipality, Lovech region.
It is about 7 km from the main road Sofia - Burgas. It is about 65 km northwest of the town of Burgas, about 10 km south from the town of Sungurlare, 22 km northwest of the town of Karnobat, 45 km east of the town of Sliven and about 350 km from the capital Sofia.
The relief in the area is hilly and the climate is temperate it is influenced by the proximity to Black sea.
The permanent population is about 130 people.
In Terziisko are constructed electricity and water systems there also is phone central and coverage of the mobile operators. Regular bus transportation connects it to the other settlements. In the village there is working town hall, grocery and food store, post office, community center with pensioner's club and library. Paramedic takes care for the urgent medical needs of the people, the nearest medical center and school are in the town of Sungurlare about 12 km from Terziisko village.
The locals are predominantly occupied in farming and mostly crops growing - wheat, corn, sun flowers.
The village is suitable for eco, village and wine tourism for its ecologically clean air, the soils are fertile and with well developed traditions in wine producing especially the area between Karnobat and Sungurlare.
About 18 km from Terziisko village passes Kamchiya river that makes it suitable for fishing and picnic in the nature.
In proximity to the village in situated Lalika area, famous for its wild tulips and lilac that grow there.
In Terziisko area is situated Krasta peak with altitude of 472 m.
In the village there is hunting party.