This is the fourth of a series of 10 quizzes on the 10 countries joining the EU on 1 May.
Hungary played an important part in accelerating the collapse of Communism when in 1989 it opened its border with Austria, allowing thousands of East Germans to escape to the West. The country was admitted to Nato in 1999.
How much do you know about the country?
Test yourself with this interactive quiz.
Low score? Visit Inside Europeto brush up your knowledge. Or if you're in the UK, challenge your knowledge gap at the Meet the Neighbours festival at the Foreign and Commonwealth Office on 24 April. Go to www.europe.gov.uk for details.