'Family party' is an English equivalent of 'festa [di] famiglia'.
The feminine noun 'festa' means 'party, holiday, feast'. Its feminine singular definite article is 'la' ['the'], and its feminine singular indefinite article 'una' ['a, one']. The preposition 'di' means 'of, from .* The feminine noun 'famiglia' means 'family'.
All together, they're pronounced 'FEH-stah Dee fah-MEE-lyah'.
*In conversational Italian, the preposition 'di' may not be used, as is the case in the example. But in formal and written Italian, it will be included.
Alla mia famiglia is an Italian equivalent of the English phrase "to my family." The pronunciation will be "AL-la MEE-a fa-MEE-lya" in Italian.
Festa
"To the family!" in English is Alla famiglia! in Italian.
famiglia
Amore mio, bella famiglia! in Italian means "My love, beautiful family" in English.
"Your family" in English is la tua famiglia in Italian.
English=For My Family Italian=per la mia famiglia
festa in pigiama
"Love your family!" in English means Ami la tua famiglia!in the singular and Amate la vostra famiglia! in the plural in Italian.
"How is your family?" in English is Come sta la tua famiglia? in Italian.
"Family of five" in English is famiglia di cinque in Italian.
"Valentine's Day" in English is Festa di San Valentino in Italian.