Postal code (Zipcode) of Thành Phố Đồng Hới is: 47100

Festivals are one of the special features in Vietnamese culture. The diversity of ethnic religions makes Vietnam one of the countries with many festivals. Festivals are held to commemorate cultural events. Community spirit is the essence of every festival. There are two parts to festivals: ceremony and festival. The ceremony is to express respect for divinity and people's dreams of health, wealth, luck and happiness for themselves and their loved ones. Festivals are unique features of culture, community, religion, etc. The two biggest traditional festivals are Lunar New Year and Hung King's Death Anniversary. During Lunar New Year, each region has other festivals to celebrate such as Lim Festival in Bac Ninh province, Giong Festival in Soc Son, Perfume Pagoda Festival in Hanoi. Hung King's death anniversary is held every year from the 8th to the 11th of the third lunar month. It is organized so that everyone remembers their roots. With many landscapes recognized by UNESCO as world natural heritage and a wealth of unique regional cultural spaces, Vietnam is a legendary land and also a storehouse of attractive material for filmmakers to exploit. long lasting waterfall.

Vietnam's terrain has about 40% mountains and forests, 40% hills and coverage of about 75% of the country's area. There are mountain ranges and plateaus such as Hoang Lien Son range, Son La plateau in the north, Bach Ma range and plateaus following the Truong Son range in the south. Network of rivers and lakes in the delta or mountainous areas of the North and Central Highlands. The delta accounts for about 1/4 of the area, including deltas such as the Red River Delta, Mekong River Delta and the Central Coastal Plains, which are densely populated areas. Cultivated land accounts for 17% of Vietnam's total land area.

According to the ups and downs of the nation's history, Vietnamese customs and practices are constantly being innovated according to social trends. One of the oldest and most influential customs in history is the custom of chewing betel. This is a custom that dates back to the Hung King period and originates from the legend of Trau Areca and this custom has become a typical image of the brotherhood and love between husband and wife of Vietnamese people. Not only the custom of chewing betel, Vietnam also has another custom that was born in ancient times, which is the custom of welcoming the new year, also known as Tet - traditional Tet.

Vietnamese culture is one of the oldest cultures in the Pacific region. Although located next to two major cultures, Chinese and Indian culture, Vietnam still preserves many of its own cultural features, expressed in many aspects such as traditional customs that still exist today. Nowadays, Vietnamese people's life and folk literature are rich and unique. It can be said that Vietnamese culture is a special blend of many ancient cultures along with the indigenous culture of the Vietnamese people. In addition to the greatest influence of China, there is also the influence of Indian and Cham culture. , and later the great influence of Western culture (France, Russia, America).