Nowadays, Unplanned expansion has emerged as a significant problem in many parts of the world. This issue has become increasingly important due to its wide-reaching effects on individuals and society. Therefore, these consequences require prompt and serious action. So that municipalities should raise awareness about expansion, and they should introduce new policies about this topic. there are several consequences observed as a result of unplanned expansion throughout most of the world, they are reflected in overcrowding, job unemployment, and additional accommodation and facilities seem to be the most prominent ones.