賑やかな通り
describes a street that is full of activity and traffic
賑やかな都市
describes a city that is full of activity and people
騒音と活気に満ちた都市
賑やかな港
describes a port that is full of activity and ships
賑やかなリゾート
describes a resort that is full of activity and tourists
人や活動でいっぱいのリゾート。