If you have commercial goods you wish to import into Yemen through the Port of Nishtun in the Governorate of Mahra (eastern Yemen) you must first apply to the Saudi-led Arab Coalition for advance authorization. Otherwise, you would not be able to do anything.
If you were ever to visit the Port of Nishtun, the Saudi forces in Mahra will be the first to know of your visit. If you, for some reason, are an unwelcome person to these forces then there is a very real possibility that you will be arrested and detained in the prison established by these forces inside the Ghayda Airport.
The Port of Nishtun is located on the eastern front of the Yemeni Republic, west of the District of Ghayda, the capital and prime district ..