Before you go on your trip make some list of the items that you will need...
Like:
- Ballpen
- Address Book - data of your bank or any other stuff that you will need while you are gone.
- cellphone and charger
- Clothes and another clothes for another several days we wont know if you will be stranded...
- Shoes or sandals that make your feet comfortable.
- Medicine
- Wallet with money
- Passport or any ID
- Things that you need
- personal hygiene