"Hello from..." is an English equivalent of the incomplete Italian phrase Ciao da... . The greeting also translates into English as "Goodbye from..." depending upon context. Regardless of meaning or use, the pronunciation will be "tchow da" in Italian.
"Hello from Rome!" is an English equivalent of the Italian phrase Ciao da Roma! The greeting, preposition, and proper place name also translate into English as "Hi from Rome!" The pronunciation will be "tchow da RO-ma" in Italian.
"Da"
Camera da letto in Italian means "bedroom" in English.
"From Rome" is an English equivalent of the Italian phrase da Roma. The prepositional phrase also may be translated into English as "at Rome" according to context. The pronunciation will be "da RO-ma" in Italian.
"Hello from Gianni in Italy! How beautiful you are!" is an English equivalent of the Italian phrase Ciao dall'Italia da Gianni! Che bella che sei! The literal translation will be "Hello from Italy from Gianni! How beautiful that you are!" The pronunciation will be "tchow DAL-lee-TA-lya da DJAN-nee key BEL-la key SEH-ee" in Italian.
"Bathtub" in English is vasca da bagno in Italian.
"I am from Canada" in English is Vengo da Canada in Italian.
Stare lontano da me! in Italian means "Stay away from me!" in English.
Ti amo da morire in Italian means "I love you to death" in English.
"Garden tools" in English is attrezzi da giardino in Italian.
"Dining hall" in English is sala da pranzo in Italian.
"Dance floor" in English is pista da ballo in Italian.