Ostfildern is a town in the district of Esslingen in Baden-Württemberg in southern Germany. It is located approximately 8 km southeast of Stuttgart. It was formed in 1975 out of a fusion of the previously separate boroughs of Nellingen, Ruit, Kemnat and Scharnhausen and currently has approximately 37,000 inhabitants.

Poltava is a city located on the Vorskla River in Central Ukraine. It serves as the administrative center of Poltava Oblast as well as Poltava Raion within the oblast. It also hosts the administration of Poltava urban hromada, one of the hromadas of Ukraine. Poltava has a population of 279,593.