The Ternopil Regional State Administration and Ternopil Regional Council are associated partners of the Network of the Three Seas Regions.
Ternopil Oblast, also referred to as Ternopilshchyna is an oblast of Ukraine. Its administrative center is Ternopil, through which flows the Seret, a tributary of the Dniester.
One of the natural wonders of the region are its cave complexes. Although Ternopil Oblast is among the smallest regions in Ukraine, over 100 caves have been discovered there. Scientists believe these are only 20% of all possible caves in the region. The biggest cave is Optymistychna Cave. Measuring 267 km (166 mi) in total length, it is the longest cave in Eurasia and the fifth-longest in the world. Twenty percent of the land in the region is chernozem soil.
Among its attractions, Ternopil Oblast has 34 castles. By at least one account, the most prominent is the Zbarazh Castle with fortifications that expand over 16 ha (40 acres) and was the center of a 17th-century standoff between troops of Bohdan Khmelnytsky and the army of the Polish–Lithuanian Commonwealth. The Dniester Canyon passes through the oblast; it is considered one of the wonders of Ukraine, stretching for 250 km (160 mi).
The economy is predominantly agriculturally oriented. Among industries, there is a well developed food industry particularly sugar production, alcohol, and dairy (such as butter). There is also number of factories such as “Vatra” (lighting equipment), Ternopil Harvester Plant, “Orion” (radio communication) among a few.
Ternopil Oblast has an adequate network of highways, while the city of Ternopil is located at the intersection of main European corridors along the E50 and E85 highways. There is a small airport in Ternopil (Ternopil Airport) which however mostly is used for charter flights. There is a well developed railroad network which is a part of the Lviv Railways. Water transportation is very limited and mostly along the Dniester River.