A ‣ Holiday (noun)
We had a lovely holiday in Egypt in 2014.
I’m not working next week. I’m on holiday.
Are you going on holiday this summer?
B ‣ Types of holidays
We’re going on a package holiday to Hong Kong. [flights and hotel are included]
We’re going to have a winter holiday this year.
I want to go camping this year. [sleep in a tent]
I’m going on a walking holiday in the Alps.
A coach tour is an easy way to go on holiday. [travelling in a comfortable bus]
C ‣ Transport

D ‣ Don’t forget to take ...

your passport (if you are going to another country)
a visa [a stamp that you need in your passport to go to some countries]
your tickets
some currency [money of the country you are going to]
a camera
your luggage /ˈlʌɡɪdʒ/ (e.g. a suitcase or a rucksack)
E ‣ Expressions 
A: Are you flying to France from England?
B: No, we’re going by ferry.
A: What are you going to do in Madrid?
B: We want to try the local food and enjoy the nightlife [clubs, etc.].
A: Have a great time! And send me a postcard!
(See Unit 32: Travelling and Unit 49: Moving for more words about travel.)