Bangkok means Bangkok.
The American pronunciation of Bangkok is /_b___kɑ_k/. Bangkok is a noun, and it only means Bangkok.
Example 1: Greg Lange, the owner of Sunrise Tacos, a Bangkok chain of Mexican food restaurants, says his biggest problem is getting avocadoes. Gregg Grant, owner of Sunrise Tacos, a chain of Mexican restaurants in Bangkok, said his biggest problem is getting avocados.
Example 2: American Airlines has two flights a day to Bangkok, and there are onward flights to Phnom Penh. American Airlines has two daily flights to Bangkok, followed by a flight to Phnom Penh.
Example 3: They have discussed setting up a military hotline between Hanoi and Bangkok. They have discussed setting up a military hotline between Hanoi and Bangkok.
Example 4: The captain decided to take the ship to Bangkok to replenish supplies. The captain decided to sail the ship to Bangkok to restock the cargo.