western cordillera
The cordillera goes farthest north
Gaza, West Bank, and East Jerusalem are the Palestinian lands according to UN partitioning of lands between Israel and Palestine.
May call Palestine and the West Bank a country in the Middle East, has it's own flag, elected government officials and a President.
British Columbia is the Canadian province farthest West.
Florida is the farthest south state in the southeast region of the United States.
Kentucky is the farthest west.
Siberia is the farthest west territory. (It's also the farthest east, depending on which way matters to you)
Lake Superior is farthest west.
In the region of palestine.
Colorado is the farthest state west of the four examples.
Jerusalem
The farthest West.
Norway and Iceland