You will need to replace the plugs, as Spain uses a different electrical socket to some other European countries.
For UK residents, adapter plugs are also available which are extremely cheap and convert the Spanish electrical sockets to take UK plugs. These adapters fit neatly into the sockets and are suitable for permanent use.
However, this is still Spain! The Spanish approach to life remains unchanged – with long lunches, outdoor living, great food and drink and a much more relaxed approach to life.