"I have my ticket to Australia."
Translation:J'ai mon billet pour l'Australie.
Do all places (proper nouns) have to have 'the' preceding it? Or only country names? Would you also say "J'ai mon billet pour le Paris"?
Country names are almost always used with a definite article: they are feminine if they end in -e (La France...), and masculine otherwise (Le Canada...), with very few exceptions.
City names however are treated as proper nouns and are not used with an article: J'ai mon billet pour Paris.
Some countries are also treated as proper nouns (Monaco, Singapour...), usually they are either island nations or countries small enough to be considered cities.