WHBM thanks for your comments. In fact, I do go to Toulouse quite a lot since that is where I live and work in an international company. Of course, in the plants you name, all located in France, the over-riding feeling is French. In Hamburg and Bremen and Stade it is overwhelmingly German. Don't be too surprised if I tell you that in Filton and Chester it tends to be very British whilst the Spanish plants are convinced Airbus is Spanish!
In order to better demonstrate our multi-nationalism perhaps we should have multiple HQ - there might be some criticism in terms of efficiency however; do our flight testing in the North of Europe in poorer weather conditions and with more congested airspace.
As to the final assembly plants; that die was set way back when the UK government pulled out of Airbus and decided that the government funds (in those days that was allowed!) should go into Rolls-Royce to make an engine for the Tristar. Hawker Siddeley (thank heavens) stayed in with their own Private Venture money but as a then junior partner having a Final Assembly Line was a non-starter. But a trip to Hamburg will soon show you that TLS is not the only FAL. To my knowledge the only major components 'made' in Toulouse are the engine pylons and the Assembly line work accounts for only about 4% of the manufacturing work.
Certainly having the HQ in France does give the HQ of the company a French feeling but if it were in any of the other countries it would be accused of being German, Brit or Spanish. In reality, it's pretty international.