Translation guide
For the country name, use ハンガリー. For the adjective 'Hungarian', use ハンガリーの or ハンガリー人 depending on context.
Referring to the country Hungary
Standard Japanese name for Hungary, written in katakana.
ハンガリーは美しい国です。
Hungary is a beautiful country.
Describing something as Hungarian, such as food, culture, or things
Use ハンガリーの + noun to mean 'Hungarian (something)'. This is the most common way.
ハンガリー料理が好きです。
I like Hungarian food.
Means 'Hungarian person'. Use for nationality or ethnicity.
彼はハンガリー人です。
He is Hungarian.