The countries that share international boundaries with Israel are Lebanon, Syria, Jordan, and Egypt.
It was in Syria-Lebanon.
It flows to Syria to Israel and Jordan
Syria is east of the northern part of the Jordan River and Jordan is east of the Jordan River from the southern end of Lake Kinneret (Sea of Galilee)
The Euphrates River
The Euphrates River is in southwest Asia. Southwest Asia includes Armenia, Azerbaijan, Cyprus, Georgia, Iran, Iraq, Israel, Jordan, Lebanon, Oman, Palestine, Saudi Arabia, Syria, Turkey, the United Arab Emirates and Yemen. The Euphrates River passes through Turkey, Syria and Iraq.
I found three - Asi - Litani - Rasbani http://geology.com/world/lebanon-satellite-image.shtml
The Jordan is a river in Palestine/Israel/the Lebanon.
The Jordan River
The River Jordan rises on the slopes of Mount Hermon, on the Syrian-Lebanese border. Israel and Palestine border the river to the west, while Jordan lies to its east. The river empties into the Dead Sea.
Israel took it from Syria your welcome
Israel today is in the area of the original Promised Land. However, the actual Promised Land is supposedly a little bigger than the modern country.