A tent city is a temporary housing facility made using tents. Informal tent cities may be set up without authorization by homeless

Homelessness

Homelessness describes the condition of people without a regular dwelling. People who are homeless are unable or unwilling to acquire and maintain regular, safe, and adequate housing, or lack "fixed, regular, and adequate night-time residence." The legal definition of "homeless" varies from country...

 people or protesters. As well, state governments or military organizations set up tent cities to house refugees, evacuees, or soldiers. Tent cities set up by homeless people may be similar to shanty town

Shanty town

A shanty town is a slum settlement of impoverished people who live in improvised dwellings made from scrap materials: often plywood, corrugated metal and sheets of plastic...

s, which are informal settlements in which the buildings are made from scrap building materials.
In the military, the term "tent city" usually refers to temporary living quarters erected on deployed military bases, such as those found in Bosnia and Herzegovina

Bosnia and Herzegovina

Bosnia and Herzegovina , sometimes called Bosnia-Herzegovina or simply Bosnia, is a country in Southern Europe, on the Balkan Peninsula. Bordered by Croatia to the north, west and south, Serbia to the east, and Montenegro to the southeast, Bosnia and Herzegovina is almost landlocked, except for the...

 or Iraq

Iraq

Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

.