The country is Iran and the capital is Tehran
santiago
Malaysia
The Persian Gulf has no "south eastern border" -the south western border is Saudi Arabia and the Gulf states and Iran is the north eastern border.
Santo Domingo is the capital city in the Dominican Republic, the country that borders Haiti.
No. Turkey does not border the Persian Gulf and is actually smaller than Saudi Arabia, which is the largest country to border the Persian Gulf.
Port-au-Prince is the capital and most populous city of Haiti.
There are 2 (see related question)Lincoln (capital of Nebraska - eastern border is Iowa and Missouri)Pierre (capital of South Dakota - eastern border is Minnesota and Iowa)
There are several different countries that could qualify. Most likely, you are looking for Baghdad, the capital of Iraq.
The capital of the state with a southwest border with Colorado and eastern border with Iowa is Des Moines, the capital of Iowa.
Hindu Kush Mountains
Kuwait City, Kuwait; Doha, Qatar; and Abu Dhabi, UAE are all capital cities that border on the Persian Gulf.