A pasaport is an official document issued by a government that certifies a person's identity and nationality. It allows individuals to travel internationally and serves as proof of citizenship. Typically, a pasaport contains personal information such as the holder's name, date of birth, and photograph. When traveling abroad, a pasaport is often required for entry into other countries. It may also be necessary to obtain a visa, which is an additional document granting permission to enter a specific country. Each country has its own rules regarding pasaport validity and visa requirements.