I've traveled to 25 countries, and here's my checklist for exactly what to do weeks, days, and hours before an international trip

• Summer travel may be relaxing, but the two weeks before an international trip can often be a stressful ordeal.
• We've laid out the most important things to do in the weeks, days, and hours before your big trip.
• They include confirming your reservations, buying an international adapter, and setting up an out-of-office email.

You've booked your flight, acquired your visa, and made your reservations.

Congrats! Your international vacation is right around the corner.

Your hard work is likely just beginning, however. The two weeks before a big trip can often be a stressful ordeal, between packing, researching your destination, and scrambling for last-minute items.

I've traveled to more than two dozen countries and know just how agonizing those final two weeks before a trip can be. That's why I've developed a checklist that reminds me of all the little things I need to accomplish, like confirming my reservations ahead of time, setting up an out-of-office email, and alerting my bank of my travels.

Here's what you need to do to prepare for your big vacation abroad, from two weeks out to the final hour.

SEE ALSO: 16 foods around the world Americans are missing out on, from bunny chow to stroopwafels

DON'T MISS: 13 places to visit in August for every type of traveler

Two weeks before your trip

Focus on confirming your bookings and taking inventory of your supplies.

Confirm your reservations

Two weeks before I leave for an international vacation, I like to confirm my reservations for my flights, hotels, transportation, and any activities I have planned at my destination. It will give you peace of mind to know the logistics of your trip are set and all you need to do is get there.

Decide what you'll do with your phone

It's likely that wherever you travel abroad, you won't be able to use your US phone without running up a hefty tab. If you're fine with going your entire vacation without making a phone call or using data, go ahead and set your phone to airplane mode and forget about it. But if you anticipate needing to be in touch with people, consider buying a local SIM card for your phone, or purchasing a cheap prepaid phone once you get there.