Manhattan, Huge city in the Big Apple with over 1,600,000 people Listen in to fun interesting facts about Manhattan, NY. Manhattan is the most densely populated of New York City’s 5 boroughs. Among the world’s major financial, cultural and commercial centers, it is the heart of  “the Big Apple.” There is everything to do here, thousands of restaurants, plenty of parkland and rich history from people all over the world Manhattan, Huge city in the Big Apple with over 1,600,000 people Listen in to fun interesting facts about Manhattan, NY. Manhattan is the most densely populated of New York City’s 5 boroughs. Among the world’s major financial, cultural and commercial centers, it is the heart of  “the Big Apple.” There is everything to do here, thousands of restaurants, plenty of parkland and rich history from people all over the world