As a city that's often incorporated into wider international itineraries, there's plenty worth knowing in advance to make the most of a trip to Hong Kong.

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Pocket-sized Hong Kong packs more of a punch than its 430-square-mile size might suggest. Split into three main areas—Hong Kong Island, the Kowloon Peninsula, and the New Territories—made up of 18 districts, each with their own rich history, culture, architecture, and foods, there's more than enough to keep the average tourist busy for months, never mind the usual weekend trip.

With more than seven million people packed into over 9,000 high-rises, efficiency is key here, and people will judge you for holding up lines, hesitating with your Octopus card, or lingering over your dim sum table while others are waiting. That said, Hong Kong people are generally kind and helpful when it comes to asking for directions.…