So the Christmas Cactus has gone up outside here at our _Hq/base in Turre 
​#FelizNavidad 

MERRY CHRISTMAS /FELIZ NAVIDAD/JOYEUX NOEL 

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So of course it goes without saying each country is a Christian country and therefore marks and Celebrates Christmas but, that does not mean they do mark it the same way 

The differences 
For one Spain is Catholic while in that sense Britain is Protestant, but it is not just a difference in the type of Christianity that creates differences , it is of course as much culture, and well the Spanish are famous are famous (rightly so) for their festivals (fiesta)  and many of them are religious.  
The Spanish for Christmas is Navidad 
3 kings day and the parades 
And a big Christmas festival is the 3 kings parade which each town holds, to mark the journey of the 3 wise men on their travels to meet baby Jesus (·3 kings eve is 5th January ) (3 kings day is the 6th January )The parade is a huge event and in my experience from the Turre one a lot of fun for the kids and adults alike  
And unlike the UK, Spanish children don't get their Christmas gift presents on the 25th December but instead on 6th January 3 kings day the date the 3 wise men where said to have given Jesus his presents 
Santa ? 
And No the 3 kings Parade is not in my experience /opinion  comparable to the Santa parades you get in the UK , as for one Santa is not in the Spanish 3 kings parade, He is not as big apart of Spanish Christmas as he is in the UK. 

Talking of Santa Claus, as I understand Spanish children don't send Santa their gift letters like they would in the UK, but instead write to one of the 3 kings 

Spanish Christmas traditions are still in my experience more in line with religion while of course in both countries Christmas is a time for the family.