This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Greek Turkish Bulgarian borders and maritsa river.svg en The course of the Maritsa River indicating where Greek land lies east of it and where Turkish land lies west of it Also showing where it enters Bulgaria and ceases to form national boundary National boundaries are shown in black Maritsa shown in yellow regional roadways shown