Southwestern Ukraine borders Slovakia, Hungary, and Romania. Here is the border just west outside Uzhhorod with Slovakia. (Not much farther north the west border is with Poland!)
Part of the border with Hungary is along the Tisza river. Here is the border crossing, and then the river bridge and where cows are being coaxed back home.
As the Tisza flows west to east, there is a stretch where it is the border again, this time with Romania. I couldn't get a picture right on the river, but the mountains on the horizon are in Romania.
Farther to the east, the southern border is with Moldova. You will already know that the eastern border of Ukraine is with Russia and on the north is Belarus.
