Singapore

Most travellers arrive via Changi Airport (SIN), consistently rated among the world's best; from the airport's Changi Airport MRT station, the East–West Line runs directly into the city centre in ~30 minutes.

~2-3 days is enough to cover the core sights of the city centre, Marina Bay, and a couple of neighbourhood districts, though many extend their stay to explore further afield or use it as a base for day trips into Malaysia.

Singapore packs gleaming skyscrapers, colonial shophouses, and lush tropical gardens into a single compact island city-state, where hawker food stalls sit steps away from Michelin-starred restaurants. It's one of Asia's most efficient and cleanest hubs, prized as a stopover destination in its own right as much as a gateway to the rest of Southeast Asia.