I spend about three months of the year in Spain. When negotiating a roundabout there it is definitely a case of taking your life in your hands. When we do a right turn to 3 o'clock (left in Spain) we normally take up a position to the offside of the entry junction and tuck into the roundabout and move back to the nearside before taking the exit etc. When on a dual carriageway I often assume the o/s lane all the way round. In Spain they have a tendency to go all the way round the roundabout in the nearside lane, usually without signalling and then signalling if you're lucky as the pull off. When going straight on I have a tendency to take the shortest route especially on the bike but never in Spain as often the car on your right isn't taking the first exit or going straight on but is going the scenic route all the way round to the third exit and you often find your path off the roundabout blocked by a slow circulating car.
There's an awful lot of drivers here in the UK that like doing that too. I once got caught out by one on a wet and grease roundabout in Reading, pre-abs, locked up the rear and went sideways, but missed the car. Followed along side her a short way down to the entrance barrier of a multistorey carpark, while all the time she refused to even look at me. I only wanted to give here some advice on the correct way to go around roundabouts but I guess she was frightened and embarrassed.