Make sure your passport is up-to-date and has at least six months' validity left before your trip. Also, bring a photocopy of your passport in case you lose it while traveling.
Make copies of your tickets and keep them in a safe place, separate from the originals.
Bring a photocopy of your driver's license or other form of identification.
Convert some of your money into the local currency before you leave, and bring traveler's checks as backup. Also, make sure to have your bank information handy in case you need to wire money while abroad.
5. Credit Cards
Bring at least two credit cards with you, in case one is lost or stolen.
6. Vaccinations and Medications
Make sure you are up-to-date on all of your vaccinations, and bring any medications you may need along with you.
7. Power Converters
If you're traveling to a country that uses a different type of electrical outlet than what you're used to, bring a power converter so that you can charge your devices.
Pack clothes that are versatile and can be worn in multiple settings, as well as comfortable shoes that will be suitable for multiple occasions.
Pack essentials like shampoo, soap, toothpaste, and deodorant, but try to keep the weight of your bag down by packing travel-sized versions of these items instead of full-sized ones.
Bring books, magazines, cards, or other forms of entertainment to keep yourself occupied during long flights or layovers