Question

which country is highlighted?
disputed territory
disputed border
bahrain
kuwait
qatar
saudi arabia

Explanation:

The highlighted country in the map (within the green circle) is Qatar. By analyzing the geographical location (in the Arabian Peninsula, between Bahrain and Saudi Arabia, with a narrow peninsula shape), we can identify it as Qatar. The other options: Bahrain is an island, Kuwait is more to the north - east of this position, and Saudi Arabia is a larger landmass around.

Answer:

Qatar