Postal code (Zipcode) of Huyện Quốc Oai is: 13300

Vietnam is a country on an S-shaped strip of land, located in the center of Southeast Asia, in the east of the Indochina peninsula, to the north by China, to the west by Laos and Cambodia, and to the southeast overlooking the sea. East and Pacific. Vietnam's coastline is 3,260 km long, and its land border is 4,510 km long. On land, from the northernmost point to the southernmost point (as the crow flies) is 1,650km long, from the easternmost point to the westernmost point the widest place is 600km (Northern region), 400km (Southern region), the narrowest place is 50km (Quang Binh).

Vietnam has an area of 331,212 km², a land border of 4,639 km, a coastline of 3,260 km, and shares a maritime border with Thailand through the Gulf of Thailand and with China, the Philippines, Indonesia, Brunei, Malaysia through the East Sea. Vietnam claims sovereignty over two disputed geographical entities in the East Sea, the Hoang Sa archipelagos (which has lost control in reality) and Truong Sa

Hello friends! Greetings are always valued by Vietnamese people in communication, it seems to bring smoothness and luck to a new beginning or a new day. Vietnamese people have a saying "Greetings are higher than the feast" to show respect and politeness in communication with the other person. Greetings also show the friendliness and hospitality of Vietnamese people. So, wherever you go in Vietnam or whoever you meet, you will receive a greeting!

Cuisine is one of the factors that create differences and characteristics of each country in the world. If when mentioning sushi, people will immediately think of Japan, kimchi is associated with Korea and Thailand with famous dishes such as tomyum, mango sticky rice, then when mentioning Vietnam, visitors will certainly not You can't miss pho, banh mi, banh xeo, crab noodle soup.