In the development of the country, Vietnam has accelerated the process of globalization and deep integration with the region and the world. Currently, Vietnam's international integration process is being actively implemented in the new context of the volatile world.Cities are the oldest form of urbanization, with more than 10 thousand years old. In it are carried out economic, administrative and political activities that affect the neighboring towns.They need infrastructure such as roads, education centres, medical centers, sewers and transport to allow the activities of residents and foreigners. They can be identified from a certain number of inhabitants and the square kilometers where they reside. For example, Australia defines cities from 1,000 inhabitants. Its borders are determined by city development laws, tailored to each country, which also establish the powers of cities and parliaments. Cities are responsible for ensuring public service activities such as traffic regulation, primary health care, supervision of contractors responsible for cleaning, education in preschool and primary schools, as well as citizen security in coordination with regional and national governments.The municipal parliaments are responsible for the oversight, control and legislative administration of the town halls. A city when composed of several cities can form an urban area, allowing easy access to the main public services of education, health, entertainment and development of productive activities. and commercial.Cities have problems with noise, air, water and soil pollution. Other disadvantages are: limited space for new urban development with all basic public services, tax evasion or non-collection of city taxes, lack of civic security and deficit of public transport units. add.
