not a stupid question in any respect. A worry-unfastened clarification of the phrases - Europe - is the call of the continent. It potential not something extra in political phrases than 'Asia' or 'North usa'. It only describes the international locations that make up this section. the united kingdom is in Europe. eu Union - Is a political and monetary grouping (partnership) of international locations. those international locations share workers, commerce agreements and policies. the united kingdom is a ingredient of this settlement. some international locations, like Norway and Switzerland are in Europe, yet not interior the european Union (ecu). Eurozone - Is an monetary section of international locations that share a forex (the Euro). international locations like Sweden and the united kingdom are section of the ecu, yet not section of the Eurozone. There are additionally international locations, like Vatican city, who're not ecu individuals, yet use the Euro. interior the united kingdom we've been given a vote on no remember if or not we prefer to alter over to the Euro, we voted No. This became regularly via fee (to alter the equipment and tie in with different international locations) and the actuality that the Pound Sterling is amazingly reliable.