When dealing with being in or at certain places in the Italian language, "in" and "a" are very similar. The difference between the two as far as places go is that you use "in" when talking about states, regions, or countries. In other words, "in" is used with bigger places. On the contrary, you use "a" when dealing with smaller places such as cities and places around your neighborhood like libraries, cafes, etc.
"Translate English into Italian" in English is Traduca l'inglese in italiano in Italian.
"Not italian" in English is non italiano in Italian.
"Queen" in English is regina in Italian.
"To have" in English means avere in Italian.
Italian marita(italian)=Italian marries(english)
"Italian ambiance" in English is atmosfera italiana in Italian.
"Italian restaurant" in English is ristorante italiano in Italian.
"I am not Italian!" in English is Io non sono italiano!in Italian.
"Provincial Italian" in English is italiano provincialein Italian.
"Necklace" in English is collana in Italian.
"Chair" in English is sedia in Italian.
"Exceptions" in English is eccezioni in Italian.