Questions & Answers about Benvenuto a casa!
Benvenuto literally means welcome or well come. In Benvenuto a casa!, it is being used like the English expression Welcome home!
Grammatically, benvenuto is originally an adjective/participle meaning welcome for a singular masculine person, but in everyday Italian it is very commonly used as a greeting.
In Italian, a casa is a fixed, very common expression meaning home, at home, or to home/homeward, depending on context.
So:
- Benvenuto a casa! = Welcome home!
- Sono a casa. = I’m at home.
- Vado a casa. = I’m going home.
Using alla casa would usually mean to the house, referring more literally to a building, and it would sound wrong in this expression.
Italian often leaves out words that are understood from context, especially in greetings and exclamations.
So Benvenuto a casa! is a complete natural expression, even without a verb. It works like English Welcome home!, where English also does not say something like You are welcome home in normal speech.