self-catering flat
a flat you rent, where you prepare your own meals
youth hostel
cheap accommodation, usually chosen by young people, where you share your room with others, and sleep in bunk beds
camp site
a place where you put up a tent,
holiday camp
accommodation in little flats or chalets with facilities such as restaurants, pubs, swimming pools, etc.
HB – half board
you pay for the room and two meals (usually breakfast and an evening meal)
All-inclusive
the price of your stay includes the price of the room, all meals and drinks
guesthouse
accommodation a bit similar to a hotel, but with fewer services (private)
B&B – bed and breakfast
you pay only for the room and breakfast