bahrain (officially called kingdom of bahrain) is an island country in the arabian gulf. saudi arabia is to the west and is connected to bahrain by the king fahd causeway, and qatar is to the south across the persian gulf. the qatar-bahrain friendship bridge, not yet built, will link bahrain to qatar as the longest fixed bridge in the world. qatar and bahrain's flag is the same design but not the same colors because qatar is white and maroon and bahrain is white and red.