There are a number of ways to refer to your 'home' in Italian, with the most common being the word 'casa' [caz-ah]. Coupled with the pronoun nostra which is the equivalent of 'our', you'll be able to give a warm Italian welcome to someone by saying benvenuto alla nostra casa.
In this sentence, the article alla can also be replaced by the preposition nella.
Another modification you might hear is the pronoun nostra working behind the noun, as in benvenuto a casa nostra.
Obviously you can replace the word casa for any other reference to your home, from appartamento (apartment) through to posto (place).
