Strait of Hormuz.. petroleum port of the Arab countries overlooking it up between the Arabian Gulf and the Gulf of Oman and the Indian Ocean

A - up between the Arabian Gulf and the Gulf of Oman and the Indian Ocean. 

B - overlooked by Iran from the north and north-east, and Oman to the south and south-west. 

C - is the petroleum port of the Arab countries, which overlooks it, namely: 

United Arab Emirates - Qatar - Bahrain - Kuwait - Iraq, in addition to Saudi Arabia. 

D - showing some of the islands near it important, namely: Qeshm - Abu Musa. 

E - increased importance after the discovery of oil in the Gulf region.