
Most travelers know that to travel by air to another country, owning a passport is essential. However, many people still confuse whether they need a passport or a visa to enter an international destination. In this article, we will help you clearly distinguish the difference between a passport and a visa, along with the necessary documents when traveling abroad.
When traveling internationally, the two terms "visa" and "passport" often appear and can make many people feel confused. Although both are important documents in the process of entering a country, they have distinct differences in their purpose and role. Let's find out the difference between a visa and a passport in the article below.

A passport is a document issued by a government to a citizen to confirm their identity and nationality when traveling abroad. It is a mandatory document for everyone traveling internationally, helping the host country's government identify which country the citizen is from.
A passport is a document that contains important personal information such as the owner's full name, nationality, date of birth, and a current photograph. It also includes blank pages for stamps when you enter or leave other countries.
Most modern passports are integrated with electronic chips, containing biometric information, which helps to accurately verify the owner's identity.
Normally, passports are valid for 5 to 10 years. A valid passport issued by a country is enough for you to travel internationally.
The main functions of a passport include:

A visa is an entry or residence permit issued by the government of the country you intend to visit. This is a document that confirms that you have been allowed to enter that country for a certain period of time. A visa can be a tourist visa, a business visa, a student visa, or a long-term residence visa, depending on the purpose of your trip.
The main functions of a visa include:

Criteria | Passport | Visa |
| Functions | Confirming the identity and nationality of citizens | Allow entry into another country |
| Issued by | Government of the nation of the citizen of the nationality | The government of the country you want to go to |
| Validity period | Usually 5 to 10 years, renewable | Depending on the type of visa (from a few days to a few years) |
| Request | Required to go abroad | Visa may be required depending on destination country |
| Issue | Granted to all citizens of a country | Issued based on the purpose and length of stay of the visa applicant |
Passport: To get a passport, you need to go to the passport-issuing agency (usually the country's Department of Foreign Affairs or Immigration) and provide the necessary documents such as an ID card, a passport photo, and a passport application. This process is usually quite simple and quick.
Visa: To apply for a visa, you need to submit a visa application to the embassy or consulate of the country you want to visit. Visa applications usually require you to provide documents such as a passport, a passport photo, proof of financial resources, and an invitation letter (if applicable). Visa processing times can range from a few days to a few weeks.
Check the validity period: Make sure your passport is valid for at least 6 months before traveling internationally. Many countries require you to have a valid passport for the duration of your trip.
Visa requirements: Some countries require you to obtain a visa before entering, while others may allow you to obtain a visa upon arrival. Check the visa requirements of the country you are visiting.
Be sure of your purpose of travel: Make sure you apply for the correct type of visa for your purpose of travel (tourism, business, visiting relatives, etc.).

Whether you need a visa in addition to your passport depends on your nationality and your destination. Some countries do not require a visa for short-term visits for tourism, transit or business purposes.
You can enter these territories simply by presenting a valid passport, although in some cases you may need an approved travel permit, such as the ETIAS for Europe.
In other cases, a visa is required regardless of the length of stay.
It is therefore important to check the visa requirements for your nationality before planning a trip to an international destination you have not visited in the past. Travelling to a new country will be less enjoyable if you are not prepared with the paperwork to ensure you can enter legally and travel easily.
Although both a visa and a passport are important documents when traveling internationally, they serve different purposes. A passport is a document that confirms your nationality and identity, while a visa is a permit that allows you to enter a country. When preparing for an international trip, you need to make sure that you have both a passport and a visa (if necessary) to ensure a smooth trip.
Contact Vietnam Visa Services Center if you encounter any difficulties in applying for a visa and preparing for your trip!
If you need further information or assistance, do not hesitate to contact Vietnam Visa Services Center today!

Vietnam Visa Services is a service of Vietnam Travel Group, with over 10 years of experience in providing visa and international travel services. With a team of consultants skilled in handling urgent and complex cases, we confidently offer a smooth and convenient visa application process for all countries based on your specific needs.