Khobar is a city and governorate in the Eastern Province of the Kingdom of Saudi Arabia, situated on the coast of the Persian Gulf. With a popul…Khobar is a city and governorate in the Eastern Province of the Kingdom of Saudi Arabia, situated on the coast of the Persian Gulf. With a population of 409,549 as of 2022 in the city core and 658,550 in the governorate, Khobar is part of the 'Triplet Cities' area, or Dammam metropolitan area along with Dammam and Dhahran, forming the residential core of the region.