Eutelsat 9 is at 9 east - and its wide beam is easy to get on an 60cm dish in spain ( but one or two of its other beams need a much larger dish)
Carries Hungarian, Greek, a few italians, but very little UK channels.
Although the irish saorsat, the irish version of freesat, is also on 9e, its beam is limited to just ireland.
Not many free english channels on there.
Astra 1 at 19 east ( easy to get in spain on a 60cm dish) carries a few english news channels.
And RTL (german) for f1, and sport1 for well sport
26 east (needs about an 70-80cm dish in spain) carries a few arabic channels, that have an english soundtrack
Here is a list of UK channels on other satellites apart from 28 east : https://www.flysat.com/tv-uk.php
... all mainly news.
Sort the channel list into alphabetical order, saves having to trawl through a channel list of 100 channel looking for a specific channel.
"I can use my IPTV with the TV also but you know it needs probably 2Mbs signal that a lot of camp sites fail with. Any reliable boosters, economically priced out there?" - if your are only getting 2Mbs speed from the campsite system, there is nothing you can do to "boost it"... you cannot boost something if there is nothing there to boost.