🇺🇸 Nichols Hills, United States

Nichols Hills is a small city located in the state of Oklahoma, United States. It has a population of around 4,000 people. While it doesn't have any ports, shipyards, or factories producing ship parts, Nichols Hills is known for its affluent residential neighborhoods, beautiful parks, and upscale lifestyle, which may be of interest to seafarers, shipowners, or crewing companies looking for a peaceful and luxurious place to visit or reside.